EP0998396B1 - Safety document - Google Patents

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Publication number
EP0998396B1
EP0998396B1 EP98942617A EP98942617A EP0998396B1 EP 0998396 B1 EP0998396 B1 EP 0998396B1 EP 98942617 A EP98942617 A EP 98942617A EP 98942617 A EP98942617 A EP 98942617A EP 0998396 B1 EP0998396 B1 EP 0998396B1
Authority
EP
European Patent Office
Prior art keywords
layer
security element
security
element according
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98942617A
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German (de)
French (fr)
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EP0998396A1 (en
EP0998396B2 (en
Inventor
Christian Schmitz
Theo Dr. Burchard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
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Giesecke and Devrient GmbH
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Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Priority to SI9830128T priority Critical patent/SI0998396T2/en
Publication of EP0998396A1 publication Critical patent/EP0998396A1/en
Publication of EP0998396B1 publication Critical patent/EP0998396B1/en
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Publication of EP0998396B2 publication Critical patent/EP0998396B2/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/351Translucent or partly translucent parts, e.g. windows
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/355Security threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/36Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/369Magnetised or magnetisable materials
    • B42D2033/16
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S283/00Printed matter
    • Y10S283/901Concealed data
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/916Fraud or tamper detecting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24835Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]

Definitions

  • the invention relates to a security document, such as a banknote, security, ID card or the like, with a security element, which at least one mechanically testable, magnetic layer and at least has another layer.
  • DE-PS 16 96 245 discloses a security paper in which a security thread is embedded with a ferromagnetic coating.
  • commonly used magnetic material is very dark Body color on so that the security thread even when fully embedded visible in the paper on the paper surface as a dark stripe is.
  • DE-PS 16 96 245 proposed the thread coated with magnetic material additionally on both sides to be provided with an opaque, white coating to the optical Avoid effect of the magnetic material on the paper surface.
  • a security thread has therefore already been proposed (WO92 / 11142), which is both a mechanical inspection of the magnetic Properties as well as a visual authenticity control enables.
  • the magnetic layer is combined with an opaque metal layer, which has cutouts in the form of characters or patterns, wherein the magnetic layer as seen from the viewer arranged under the metal layer is so that the optical effect of the magnetic material on the Paper surface does not appear.
  • the cutouts are reflected in the paper practically not recognizable, but contrast strongly in transmitted light from their opaque surroundings.
  • this requires that the recessed areas of the characters are transparent, i.e. in the field of Sign must not contain any magnetic material. It must therefore be in the making of the security element that the magnetic layer and generates the visually recognizable characters in register with each other so that they don't overlap.
  • the invention has for its object to provide a security document propose a security element that has a magnetic coating, whose own color hardly appears in reflected light and that easily provided with additional visually verifiable features can be.
  • the partially permeable Cover layer also allows the security element to be visual and / or to provide machine-recognizable information, e.g. by doing Cutouts in the form of characters are provided in the magnetic layer be or the magnetic layer itself in the form of visual and / or mechanical recognizable characters or patterns is formed.
  • An exact one The arrangement of cover layer and magnetic layer in register is in this Case no longer necessary because of the visually recognizable information can be seen through the partially permeable layer.
  • the security element therefore exists of a magnetic layer and a layer covering the magnetic layer semi-permeable layer.
  • the partially permeable Layer of a thin semi-transparent metal layer has optical reflection properties if the layer thickness is not too small that are very similar to an opaque metal layer.
  • a coherent semi-transparent Metal layer also other partially permeable materials or layers be used, e.g. Printing inks with optically variable interference layer pigments, with liquid crystalline layers or diffraction structures a semi-transparent reflective layer.
  • the partially permeable Layer of the security element formed by a grid layer the individual raster elements being opaque, preferably metallic are.
  • the grid elements can have any shape. Geometric Standard shapes such as points, lines, triangles, etc. also come in question like special patterns, numbers, letters etc.
  • the grid size is chosen so that sufficient coverage of the magnetic layer takes place, but at the same time one possibly under the grid Layer of existing information remains recognizable.
  • the grid elements can using any printing color, but preferably a white one or light printing ink or via any coating method, such as vacuum vapor Hot stamping, etc.
  • the magnetic layer can be independent of the type of cover layer used either be provided over the entire area or only in certain areas.
  • the magnetic layer is in shape a coding, in particular a bar code, applied.
  • the magnetic layer However, only cutouts in the form of visual and / or machine-readable characters.
  • the magnetic layer-free Areas of the code or in the recesses further visually and / or machine-recognizable information can be arranged.
  • the magnetic layer-free Areas are filled with a non-magnetic layer, which is the same color as the magnetic material. In this way the presence of a magnetic code is additionally obscured.
  • This non-magnetic layer can also have cutouts in the form of characters, Have patterns etc.
  • the security element can be used as a security thread or planchettes, which are at least partially in a security document are introduced.
  • the security element is also conceivable to be in the form of a tape or label and on the surface to fasten an object. These items can be also act as a security document.
  • the security element according to the invention can be found in the area of product assurance use very advantageously.
  • the security element can be next to the magnetic layer according to the invention and partially permeable cover layer other anti-theft elements, such as have a coil.
  • the security element can also be on or in one Documentary material is provided, which in turn is used for product assurance is applied to objects of any shape.
  • FIG. 1 shows a security document 1 according to the invention.
  • a banknote is shown in which a security thread 2 in Form of a so-called “window security thread” is embedded.
  • This Security thread 2 is virtually in the paper during paper production woven in and comes to the surface at certain regular intervals of the paper. These areas 3 are shown hatched here.
  • security document is not limited to banknotes. Rather, it can be any value document, such as one Check, share, ID card, or the like.
  • the security element 2 must also be not necessarily a security thread.
  • the security element 2 can, for example, also as a thin layer sequence or self-supporting Label completely on the surface of the security document 1 to be ordered.
  • the shape of the respective element is also freely selectable.
  • the element 2 can, for example, be strip-shaped from an edge of the Document 1 run to the opposite edge or alternatively island-shaped with any outline contours.
  • the security element is only a thin layer sequence on the security document it is advisable to change the sequence of shifts Prepare security elements separately on a film material and then transfer to the document. In this case, the Layers on the transfer film in reverse order to that that is later requested on the document.
  • FIG. 2 shows a possible embodiment of such a film material, wherein the transfer film 20 shown has the shape of a band.
  • a first visible layer is then placed on the separating layer 8 Spectral range partially transparent cover layer 6 applied, followed by a magnetic layer 5.
  • the cover layer 6 is in this example as a screened Layer shown with a constant grid.
  • an adhesive layer 9 is finally provided, which for securing the layer structure 21 to the document.
  • it can be, for example, hot-melt adhesive or radiation-curable Act glue.
  • the 7 Leave the document may be advantageous to also support the 7 Leave the document as a protective layer.
  • a separating layer 8 be provided on the carrier material. Rather, additional measures must be taken to ensure that the Layer structure of the element 1 has good adhesion to the carrier layer 7.
  • the transfer film can either over the entire surface provided with the security element layer structure and this only in the desired areas, e.g. through targeted activation of the adhesive the full-surface coating can be removed and transferred.
  • the carrier material already in spaced areas with the desired individual elements.
  • the carrier 4 is here with the entire surface provided a magnetic layer 5, over which a layer 6 in the form of a Grid is provided, the grid elements made of opaque material.
  • This screened layer 6 must be on the finished document to the viewer be facing the effect of covering the invention To be able to ensure magnetic layer 5.
  • the security element is used as a security thread, it can make sense be, the magnetic material also on the grid 6 opposite Cover page.
  • a another grid layer or a full-area, preferably white or bright print layer can be provided.
  • the white or light layer offers the advantage that the thread has a good color from the bottom to the paper is adapted and therefore on the back of the paper on the surface practically does not appear.
  • the use of a second screened layer has the advantage that the thread on the front and back looks identical and therefore it is possible to dispense with correct insertion into the paper.
  • FIG. 4 shows a security element with the one already explained with reference to FIG. 3 Shift sequence.
  • the magnetic layer 5 is additional with recesses 10 in the form of characters, patterns or the like Mistake.
  • the carrier 4 is advantageously transparent or at least translucent. That way you can the cutouts 10 when viewed in transmitted light as strongly contrasting Signs in the environment formed by the opaque magnetic material 5 be recognized.
  • the grid elements of layer 6 in the area of the cutouts 10 hardly affect this effect. When viewed in incident light however, the grid 6 additionally obscures the cutouts 10, so that they practically do not appear. As discussed earlier, the screened layer 6 is also sufficient, the dark appearance to cover the magnetic layer 5.
  • 5 shows a further variant of the security element according to the invention, which, as already explained with reference to FIG. 4, consists of a carrier layer 4, a magnetic layer 5 with recesses 10 in the form of visual recognizable information and a screened layer 6 exists.
  • the grid width of the layer 6 was changed. 5 shows the case where the raster width a is in the range of the magnetic Material is greater than the grid width b in the area of the cutouts 10.
  • the opposite case, where the raster width a is smaller than the raster width b is of course also possible.
  • the recesses 10 in the magnetic layer 5 can be highlighted more or be hidden.
  • FIG. 6 shows an embodiment of the security element according to the invention 2, in which the magnetic layer 5 is present over the entire area on the carrier 4 and only the screened cover layer 6 readable information 12 contains. These are represented by a variation of the grid width.
  • Fig. 6 shows again the case where the screen ruling a is larger than the screen ruling b in the area of information 12. The reverse case goes without saying also possible here.
  • This security element has the advantage that the magnetic layer 5 is sufficiently covered, but at the same time visually and / or machine-recognizable information that is simple Way in the same operation with the application of the cover layer 6 be generated.
  • the security element is shown here in longitudinal section to the special design illustrate the magnetic layer 5 better in the form of a coding to be able to.
  • the carrier 4 is for this on one of its surfaces with the magnetic authenticity feature 5, which in the present case in Form of a magnetic code.
  • the Cover layer 6 Over the magnetic layer 5 is the Cover layer 6 according to the invention arranged.
  • the surface of the carrier 4 is a layer 13, of which the carrier 4 surface facing away with a diffraction structure in the form of a relief structure is provided.
  • the information stored in this relief structure To be able to make visible is the layer 13 with a reflection layer 14 provided.
  • the individual layers can be different be designed.
  • the carrier 4 must be made of a transparent or at least translucent material.
  • the reflection layer 14 must also be an at least partially permeable layer. For example, it can consist of a transparent lacquer, one different from layer 13 Has refractive index or from a semi-transparent Metal layer.
  • the reflection layer 14 is designed as a grid, the grid elements consist of an opaque metal layer.
  • the optically variable information can be observed in reflection and on the other hand that applied to the opposite surface of the carrier 4 Magnetic layer 5.
  • the magnetic layer 5, not as shown in FIG. 7, is in the form of a coding on the carrier 4, but has recesses 10 in the form of characters, as in the 4 and 5 are shown.
  • the diffraction structure 13 or the reflection layer 14 serve here as an additional covering layer for the magnetic layer 5, in particular if the security element as a window security thread in security paper is embedded.
  • the reflection layer 14 is also conceivable to design the reflection layer 14 as an opaque metal layer. If the observer in this case faces the cover layer 6, This means that the diffraction structure can only be found in those that are free of magnetic layers and cover layers Watch areas. For example, the magnetic layer 5 Cutouts in the form of characters, these characters show the optically variable effect of layer 13. When looking at the element of the On the back, however, the viewer only recognizes the optically variable Information.
  • the opaque reflection layer 14 prevents detection of the Magnetic layer 5 on the opposite carrier surface.
  • the carrier material 4 must be opaque.
  • the reflection layer In this case, 14 can be designed as desired.
  • the diffraction structure is not necessarily embossed in a separate layer, such as a lacquer layer must become. You can of course also directly into the surface of the Carrier material 4 are introduced.
  • FIG. 8 Another embodiment according to the invention provides, all in terms of security to arrange relevant layers on a surface of the carrier 4, as shown in Fig. 8.
  • the magnetic layer is first on the carrier 4 5 is provided, the cutouts 10 in Has the shape of characters or patterns.
  • the last layer forms one Lacquer layer 13, in which diffraction structures in the form of a relief structure are introduced as well as a reflection layer 14.
  • the reflection layer 14 must also be made partially permeable in the present case in order to visual and / or machine recognizability of the magnetic layer 5 to allow introduced recesses 10 in transmitted light.
  • it can consist of a semi-transparent metal layer or a screened opaque metal layer or a transparent lacquer layer with different refractive index.
  • the luminescent Layer 15 can of course also contain several luminescent substances or several merging areas of different emission wavelengths have, so that a rainbow fluorescence arises. Application in the form of patterns is also possible.
  • a protective layer e.g. a transparent one Paint layer may be provided, which is however not shown in the figure.
  • Fig. 9 shows a further variant of the invention, in which the cover layer however no longer from a screened layer with opaque screen elements consists. Instead, a semi-transparent layer 16 is preferred a semi-transparent metal layer is used, which on the Magnetic layer 5 is applied. As already in connection with the rasterized cover layer explained, can also the semi-transparent layer used to bring in visually recognizable information.
  • this can be done by providing a grid in the area of information 19 happen.
  • FIG. 11 shows the case in which the magnetic layer 5 with cutouts 10 in Form of characters, patterns or the like is provided and above that semitransparent layer 16 is arranged.
  • the signs in the Transmitted light can be recognized as information that contrasts strongly with its surroundings, while they hardly appear when viewed in incident light.
  • the carrier 4 is on one side with a Layer 20 provided by a screened cover layer 6, here in the form of a regular grid is covered.
  • a screened cover layer 6 is arranged on the side of the carrier 4, which ensures that the security element is from both sides provides an identical appearance.
  • the second on the underside of the carrier 4 applied screened layer 6 could alternatively also between the layer 20 and the carrier 4 may be arranged or completely absence.
  • Layer 20 is a full-surface layer that is designed in a uniform color, but is made of materials with different Properties.
  • layer 20 forms a coherent one Layer that extends over at least a portion of the carrier 4.
  • the layer 20 is composed of alternately arranged areas 5 and 21 together, for the sake of clarity in the figure are separated from each other by hyphens. In fact, these areas cannot be visually separated from each other because they are identical in color are designed.
  • magnetic material is arranged can be detected mechanically while in the intermediate areas 21 a material of the same color arranged without magnetic properties is.
  • the magnetic areas 5 can represent a coding.
  • both the magnetic regions 5 and 5 can the non-magnetic areas 21 recesses 10 in the form of readable Show information. However, these recesses 10 can also be used to be dispensed with.
  • Fig. 14 shows another mutual arrangement of the magnetic areas 5 and the non-magnetic areas 21.
  • the magnetic material 5 contains register to the recesses provided in the non-magnetic areas 10 arranged in the edge region of the security element.
  • the magnetic areas 5 are the magnetic areas 5 as full-area, parallel to the recesses 10 running, so-called “magnetic tracks” shown.
  • the intermediate areas of the magnetic coding would have to be in this Case also be filled with the non-magnetic layer 21.
  • the 15 also shows an embodiment of the layer 20 in a top view.
  • the magnetic areas 5 also form a coding
  • the intermediate areas thereof filled with a non-magnetic layer 21 of identical color become.
  • the cutouts 10 are only in this example in the non-magnetic areas 21.
  • layer 20 is not continuous, but consists of separate magnetic areas 5 and non-magnetic areas 21 together.
  • layer 20 can the non-magnetic areas 21, but the color identical to the magnetic areas 5 are designed, for example readable information, Represent patterns or the like. These can also vary depending on the distance between the magnetic areas 5 in size or information content vary.
  • the shown display variants for the magnetic layer (e.g. magnetic coding) and the cover layer (e.g. different screen rulings) as desired within the scope of the invention can be combined with each other.
  • additional features like an optically variable layer, a fluorescent layer or another additional layer can be integrated in all of the embodiments shown become.
  • the optically variable layers can, as in the Figures shown around embossed diffraction structures, for example kinegrams, Represent moviegrams or holograms, act.
  • other optically variable layers such as transparent or opaque interference layers are used. This can be evaporated directly onto the element or in the form of pigments be mixed with an ink. Opaque effect colors are suitable especially for the generation of the screened cover layer.
  • the security elements according to the invention are produced in a simple manner Way, by using a carrier material, e.g. a plastic film or Paper, provided with the authenticity features and then in individual Elements of the desired shape is cut.
  • a carrier material e.g. a plastic film or Paper
  • the security elements When using as One of the surfaces must be additionally coated with adhesive.
  • a separate transfer belt e.g. a Hot stamping foil, prepared with the element layer structure and then Parts of it e.g. under the influence of heat and pressure on the document or transfer the document material in endless form.
  • the Security elements can also already have their final outline contours generated on the transfer belt and then transferred.
  • the magnetic layer can either be printed on (e.g. in screen printing) or with Coating processes are applied.
  • the magnetic layer has cutouts in the form of characters or patterns etc. or it becomes magnetic Code formed, so according to another embodiment another visually in the magnetic layer-free intermediate areas and / or machine-readable information can be arranged.
  • it can of characters or the like formed with a printing ink containing metal pigments or by metallization processes, how hot stamping etc. are generated.
  • the cover layer can also be produced using printing technology.
  • the screened cover layer are particularly suitable white or light inks.
  • Printing inks can also be used the special color pigments, such as optically variable interference layer pigments with body colors included.
  • a full metal layer is used for the cover layer, then this must be applied using metallization processes.
  • the semi-transparent full-surface cover layer can be easily in the vacuum metallization process be generated.
  • An interrupted layer of metal can also be used in the vacuum vapor process using masks produce.
  • the metal layer in the first Step applied over the entire surface and then using etching techniques in the desired areas can be removed again.
  • One more way offer methods in which a. in the areas to be removed later Non-stick layer is applied. After the full surface coating with Metal removes the non-stick layer chemically and thus the layer above it Removed metal layer.
  • the security elements according to the invention are used as security threads used, it can be advantageous to make the security element symmetrical build up.
  • two carriers with the same layer sequence manufactured and glued together so that the feature layers between the carriers come to rest. This way they will be harmful Protected against environmental influences such as moisture or corrosion.
  • the safety-relevant ones are often also sufficient Apply layers on a support and the layers in a last Step with a protective lacquer layer or a protective Laminate film layer.
  • a security document for example a banknote paper which is a security element according to the Invention has, as a certificate of authenticity on any objects, such as CD's, books etc. can be applied.

Abstract

The invention relates to a security element for protecting objects which has at least one mechanically testable magnetic layer and at least one further layer consisting of a layer semitransparent in the visual spectral region. The semitransparent layer is additionally disposed over the magnetic layer so as to cover the magnetic layer. The invention further relates to a security document with such a security element.

Description

Die Erfindung betrifft ein Sicherheitsdokument, wie eine Banknote, Wertpapier, Ausweiskarte oder dergleichen, mit einem Sicherheitselement, welches zumindest eine maschinell prüfbare, magnetische Schicht sowie zumindest eine weitere Schicht aufweist.The invention relates to a security document, such as a banknote, security, ID card or the like, with a security element, which at least one mechanically testable, magnetic layer and at least has another layer.

Es ist seit langem bekannt, Sicherheitsdokumente, wie Banknoten oder Ausweiskarten mit magnetischen Sicherheitselementen zu versehen. DE-PS 16 96 245 offenbart beispielsweise ein Sicherheitspapier, in welches ein Sicherheitsfaden mit einer ferromagnetischen Beschichtung eingebettet ist. Das üblicherweise verwendete Magnetmaterial weist jedoch eine sehr dunkle Körperfarbe auf, so dass der Sicherheitsfaden auch bei vollständiger Einbettung in das Papier auf der Papieroberfläche als dunkler Streifen erkennbar ist. Um diesen Nachteil zu vermeiden, wird bereits in der DE-PS 16 96 245 vorgeschlagen, den mit Magnetmaterial beschichteten Faden zusätzlich beidseitig mit einer opaken, weißen Beschichtung zu versehen, um den optischen Effekt des magnetischen Materials an der Papieroberfläche zu vermeiden.Security documents, such as banknotes or ID cards, have long been known to be provided with magnetic security elements. DE-PS 16 96 245, for example, discloses a security paper in which a security thread is embedded with a ferromagnetic coating. The However, commonly used magnetic material is very dark Body color on so that the security thread even when fully embedded visible in the paper on the paper surface as a dark stripe is. In order to avoid this disadvantage, DE-PS 16 96 245 proposed the thread coated with magnetic material additionally on both sides to be provided with an opaque, white coating to the optical Avoid effect of the magnetic material on the paper surface.

Aus der DE-PS 27 54 267 ist es ferner bekannt, einen Sicherheitsfaden mit einer magnetischen Beschichtung sowie einem weiteren Sicherheitsmerkmal auszustatten. Als wichtiges Auswahlkriterium für die zu kombinierenden Sicherheitsmerkmale dient hierbei, dass die Merkmale für einen Fälscher nicht ohne weiteres erkennbar und imitierbar sein sollen. Aus diesem Grund wird die Magnetschicht beispielsweise mit einer Metallschicht oder einem opaken, unter UV-Licht fluoreszierenden Lack kombiniert. Die in der DE-PS 27 54 267 beschriebenen Maßnahmen erhöhen die Fälschungssicherheit jedoch nur für den Fall, dass das Dokument auch tatsächlich maschinell überprüft wird. Eine visuelle Kontrolle der Echtheit des Dokuments wird durch die beschriebenen Sicherheitsmerkmale nicht oder nur bedingt ermöglicht. From DE-PS 27 54 267 it is also known to have a security thread a magnetic coating and another security feature equip. As an important selection criterion for the ones to be combined Security features here serve as the features for a counterfeiter should not be easily recognizable and imitable. For this reason the magnetic layer is, for example, with a metal layer or opaque lacquer combined under UV light. The in the DE-PS 27 54 267 measures described increase the counterfeit security only in the event that the document is actually checked automatically becomes. A visual check of the authenticity of the document is carried out by the described security features are not possible or only possible to a limited extent.

Es wurde daher auch bereits ein Sicherheitsfaden vorgeschlagen (WO92/11142), der sowohl eine maschinelle Überprüfung der magnetischen Eigenschaften als auch eine visuelle Echtheitskontrolle ermöglicht. In diesem Fall wird die magnetische Schicht mit einer opaken Metallschicht kombiniert, die Aussparungen in Form von Zeichen oder Mustern aufweist, wobei die Magnetschicht vom Betrachter aus gesehen unter der Metallschicht angeordnet ist, so dass der optische Effekt des magnetischen Materials an der Papieroberfläche nicht auftritt. Die Aussparungen sind im Auflicht im Papier praktisch nicht zu erkennen, heben sich jedoch im Durchlicht stark kontrastierend von ihrer opaken Umgebung ab. Dies setzt allerdings voraus, dass die ausgesparten Bereiche der Zeichen transparent sind, d.h. im Bereich der Zeichen darf sich kein Magnetmaterial befinden. Es muss daher bei der Herstellung des Sicherheitselements darauf geachtet werden, dass die Magnetschicht und die visuell erkennbaren Zeichen registerhaltig zueinander erzeugt werden, so dass sie sich nicht überlappen.A security thread has therefore already been proposed (WO92 / 11142), which is both a mechanical inspection of the magnetic Properties as well as a visual authenticity control enables. In this Case the magnetic layer is combined with an opaque metal layer, which has cutouts in the form of characters or patterns, wherein the magnetic layer as seen from the viewer arranged under the metal layer is so that the optical effect of the magnetic material on the Paper surface does not appear. The cutouts are reflected in the paper practically not recognizable, but contrast strongly in transmitted light from their opaque surroundings. However, this requires that the recessed areas of the characters are transparent, i.e. in the field of Sign must not contain any magnetic material. It must therefore be in the making of the security element that the magnetic layer and generates the visually recognizable characters in register with each other so that they don't overlap.

Der Erfindung liegt die Aufgabe zugrunde, ein Sicherheitsdokument mit einem Sicherheitselement vorzuschlagen, das eine Magnetbeschichtung aufweist, deren Eigenfarbe im Auflicht kaum in Erscheinung tritt und das auf einfache Weise mit zusätzlichen visuell prüfbaren Merkmalen versehen werden kann.The invention has for its object to provide a security document propose a security element that has a magnetic coating, whose own color hardly appears in reflected light and that easily provided with additional visually verifiable features can be.

Die Lösung dieser Aufgabe ergibt sich aus den unabhängigen Ansprüchen. Weiterbildungen und bevorzugte Ausführungsformen sind Gegenstand der Unteransprüche.The solution to this problem results from the independent claims. Further developments and preferred embodiments are the subject of Subclaims.

Es hat sich überraschenderweise gezeigt, dass eine im visuellen Spektralbereich teildurchlässige Abdeckschicht bereits ausreicht, das dunkle Erscheinungsbild des Magnetmaterials so weit abzuschwächen, dass die meist unerwünschten optischen Effekte vermieden werden können. Die teildurchlässige Abdeckschicht ermöglicht es zusätzlich, das Sicherheitselement mit visuell und/oder maschinell erkennbaren Informationen zu versehen, z.B. indem in der Magnetschicht Aussparungen in Form von Zeichen vorgesehen werden oder die Magnetschicht selbst in Form von visuell und/oder maschinell erkennbaren Zeichen oder Mustern ausgebildet wird. Eine exakte registerhaltige Anordnung von Abdeckschicht und Magnetschicht ist in diesem Fall nicht länger notwendig, da die visuell erkennbaren Informationen durch die teildurchlässige Schicht hindurch erkennbar sind.Surprisingly, it has been shown that one is in the visual spectral range Partially permeable cover layer is already sufficient, the dark appearance weaken the magnetic material so much that the most undesirable optical effects can be avoided. The partially permeable Cover layer also allows the security element to be visual and / or to provide machine-recognizable information, e.g. by doing Cutouts in the form of characters are provided in the magnetic layer be or the magnetic layer itself in the form of visual and / or mechanical recognizable characters or patterns is formed. An exact one The arrangement of cover layer and magnetic layer in register is in this Case no longer necessary because of the visually recognizable information can be seen through the partially permeable layer.

In seiner einfachsten Ausführungsform besteht das Sicherheitselement daher aus einer magnetischen Schicht sowie einer die Magnetschicht verdeckenden teildurchlässigen Schicht.In its simplest embodiment, the security element therefore exists of a magnetic layer and a layer covering the magnetic layer semi-permeable layer.

Gemäß einer bevorzugten Ausführungsform besteht die teildurchlässige Schicht aus einer dünnen semitransparenten Metallschicht. Eine semitransparente Metallschicht weist bei nicht zu geringer Schichtdicke optische Reflexionseigenschaften auf, die einer opaken Metallschicht sehr ähnlich sind.According to a preferred embodiment, the partially permeable Layer of a thin semi-transparent metal layer. A semi-transparent Metal layer has optical reflection properties if the layer thickness is not too small that are very similar to an opaque metal layer.

Dies kann bei der Herstellung von Sicherheitsfäden, die üblicherweise zumindest teilweise in Sicherheitspapier eingebettet werden, vorteilhaft genutzt werden. In den Bereichen, in welchen der Faden vollständig in das Papier eingebettet ist, ist er im Auflicht auf der Papieroberfläche kaum zu erkennen, da die Magnetschicht von der Metallschicht ausreichend verdeckt wird. Im Durchlicht dagegen tritt der Faden wie ein opaker metallischer Faden stark kontrastierend zur Umgebung als dunkler Streifen hervor.This can be the case with the production of security threads, which is usually at least partially embedded in security paper, used to advantage become. In the areas where the thread is completely in the Paper is embedded, it is hardly closed in reflected light on the paper surface recognize because the magnetic layer is sufficiently covered by the metal layer becomes. In transmitted light, however, the thread appears like an opaque metallic thread in stark contrast to the surroundings as a dark stripe.

Selbstverständlich können statt einer zusammenhängenden semitransparenten Metallschicht auch andere teildurchlässige Materialien oder Schichten verwendet werden, wie z.B. Druckfarben mit optisch variablen Interferenzschichtpigmenten, flüssigkristalline Schichten oder Beugungsstrukturen mit einer semitransparenten Reflexionsschicht.Of course, instead of a coherent semi-transparent Metal layer also other partially permeable materials or layers be used, e.g. Printing inks with optically variable interference layer pigments, with liquid crystalline layers or diffraction structures a semi-transparent reflective layer.

Gemäß einer weiteren bevorzugten Ausführungsform wird die teildurchlässige Schicht des Sicherheitselements von einer gerasterten Schicht gebildet, wobei die einzelnen Rasterelemente opak, vorzugsweise metallisch ausgeführt sind. Die Rasterelemente können hierbei beliebig geformt sein. Geometrische Standardformen, wie Punkte, Linien, Dreiecke etc., kommen ebenso in Frage wie besondere Muster, Ziffern, Buchstaben etc. Die Rasterweite wird hierbei so gewählt, dass eine ausreichende Abdeckung der Magnetschicht erfolgt, gleichzeitig jedoch auch eine eventuell unter der gerasterten Schicht vorliegende Information erkennbar bleibt. Die Rasterelemente können mit Hilfe einer beliebigen Druckfarbe, vorzugsweise jedoch einer weißen oder hellen Druckfarbe oder über beliebige Beschichtungsverfahren, wieVakuumdampfverfahren, Heißprägen etc., erzeugt werden.According to a further preferred embodiment, the partially permeable Layer of the security element formed by a grid layer, the individual raster elements being opaque, preferably metallic are. The grid elements can have any shape. Geometric Standard shapes such as points, lines, triangles, etc. also come in question like special patterns, numbers, letters etc. The grid size is chosen so that sufficient coverage of the magnetic layer takes place, but at the same time one possibly under the grid Layer of existing information remains recognizable. The grid elements can using any printing color, but preferably a white one or light printing ink or via any coating method, such as vacuum vapor Hot stamping, etc.

Die Magnetschicht kann unabhängig von der Art der verwendeten Abdeckschicht entweder vollflächig oder nur bereichsweise vorgesehen werden. Gemäß einer bevorzugten Ausführungsform ist die Magnetschicht in Form einer Codierung, insbesondere eines Balkencodes, aufgebracht. Die Magnetschicht kann allerdings auch nur Aussparungen in Form von visuell und/ oder maschinell lesbaren Zeichen enthalten. Zusätzlich können in den magnetschichtfreien Bereichen des Codes oder in den Aussparungen weitere visuell und/oder maschinell erkennbare Informationen angeordnet werden.The magnetic layer can be independent of the type of cover layer used either be provided over the entire area or only in certain areas. According to a preferred embodiment, the magnetic layer is in shape a coding, in particular a bar code, applied. The magnetic layer However, only cutouts in the form of visual and / or machine-readable characters. In addition, in the magnetic layer-free Areas of the code or in the recesses further visually and / or machine-recognizable information can be arranged.

Gemäß einer besonderen Ausführungsform können die magnetschichtfreien Bereiche beispielsweise mit einer nichtmagnetischen Schicht ausgefüllt werden, die die gleiche Farbe wie das Magnetmaterial aufweist. Auf diese Weise wird das Vorhandensein eines magnetischen Codes zusätzlich verschleiert. Auch diese nichtmagnetische Schicht kann Aussparungen in Form von Zeichen, Mustern etc. aufweisen.According to a special embodiment, the magnetic layer-free Areas, for example, are filled with a non-magnetic layer, which is the same color as the magnetic material. In this way the presence of a magnetic code is additionally obscured. This non-magnetic layer can also have cutouts in the form of characters, Have patterns etc.

Durch die erfindungsgemäße Kombination einer Magnetschicht und einer teildurchlässigen Abdeckschicht ist es jedoch nicht nur möglich, in der Magnetschicht prüfbare Informationen vorzusehen, sondern auch die teildurchlässige Abdeckschicht in die Gestaltung des Sicherheitselements mit einzubeziehen, wodurch sich unterschiedlichste Ausführungsformen ergeben, die neben verschiedenen spezifischen Vorteilen den gemeinsamen Vorteil besitzen, dass die Fälschungssicherheit des Sicherheitselements bzw. des mit diesem Sicherheitselement versehenen Gegenstandes erhöht wird.By the combination of a magnetic layer and a Partially permeable cover layer is not only possible in the magnetic layer provide verifiable information, but also the partially permeable Include cover layer in the design of the security element which results in the most varied of embodiments in addition to various specific advantages, have the common advantage, that the counterfeit security of the security element or with it Security element provided object is increased.

Das Sicherheitselement kann hierbei, wie bereits erwähnt, als Sicherheitsfaden oder Planchetten ausgebildet sein, die zumindest teilweise in ein Sicherheitsdokument eingebracht sind. Es ist allerdings auch denkbar, das Sicherheitselement band- oder etikettenförmig auszubilden und auf der Oberfläche eines Gegenstandes zu befestigen. Bei diesen Gegenständen kann es sich ebenfalls um ein Sicherheitsdokument handeln. Das erfindungsgemäße Sicherheitselement lässt sich jedoch auf auf dem Gebiet der Produktsicherung sehr vorteilhaft einsetzen. In diesem Fall kann das Sicherheitselement neben der erfindungsgemäßen Magnetschicht und teildurchlässigen Abdeckschicht weitere diebstahlsichernde Elemente, wie z.B. eine Spule, aufweisen. Gemäß einer weiteren Variante kann das Sicherheitselement auch auf oder in einem Dokumentenmaterial vorgesehen werden, welches wiederum zur Produktsicherung auf beliebig geformte Gegenstände appliziert wird.As already mentioned, the security element can be used as a security thread or planchettes, which are at least partially in a security document are introduced. However, the security element is also conceivable to be in the form of a tape or label and on the surface to fasten an object. These items can be also act as a security document. The security element according to the invention however, can be found in the area of product assurance use very advantageously. In this case, the security element can be next to the magnetic layer according to the invention and partially permeable cover layer other anti-theft elements, such as have a coil. According to In a further variant, the security element can also be on or in one Documentary material is provided, which in turn is used for product assurance is applied to objects of any shape.

Die verschiedenen Ausführungsformen sowie ihre Vorteile werden im Folgenden anhand der Figuren näher erläutert. The various embodiments as well as their advantages are as follows explained in more detail with reference to the figures.

Es zeigen:

Fig. 1
erfindungsgemäßes Sicherheitsdokument,
Fig. 2
erfindungsgemäßes Folienmaterial in Form eines Transferbandes zur Herstellung eines Sicherheitselements im Querschnitt,
Fig. 3
erfindungsgemäßes Sicherheitselement mit gerasterter Abdeckschicht im Querschnitt,
Fig. 4
erfindungsgemäßes Sicherheitselement mit Aussparungen in der Magnetschicht und gerasterter Abdeckschicht im Querschnitt,
Fig. 5
erfindungsgemäßes Sicherheitselement mit Aussparungen in der Magnetschicht und gerasterter Abdeckschicht, wobei die Rasterweite im Bereich der Aussparungen und im Bereich der Magnetschicht unterschiedlich ist, im Querschnitt,
Fig. 6
erfindungsgemäßes Sicherheitselement mit gerasterter Abdeckschicht, wobei in der Abdeckschicht durch Variation der Rasterweiten Informationen dargestellt werden, im Querschnitt,
Fig. 7
erfindungsgemäßes Sicherheitselement mit Beugungsstrukturen, einem Magnetcode und gerasterter Abdeckschicht im Längsschnitt,
Fig. 8
erfindungsgemäßes Sicherheitselement mit Aussparungen in der Magnetschicht, zusätzlicher Beugungsstruktur und Fluoreszenzschicht im Querschnitt,
Fig. 9
erfindungsgemäßes Sicherheitselement mit semitransparenter, vollflächiger Abdeckschicht im Querschnitt,
Fig. 10
erfindungsgemäßes Sicherheitselement mit semitransparenter Abdeckschicht, die in bestimmten Bereichen durch eine Rasterung unterbrochen ist, im Querschnitt,
Fig. 11
erfindungsgemäßes Sicherheitselement mit Aussparungen in der Magnetschicht und semitransparenter Abdeckschicht im Querschnitt,
Fig. 12
besondere Ausführungsform des erfindungsgemäßen Sicherheitselements im Querschnitt,
Fig. 13
spezielle Ausführungsform der in Fig. 12 gezeigten Schicht 20 in Aufsicht,
Fig. 14
weitere spezielle Ausführungsform der in Fig. 12 gezeigten Schicht 20 in Aufsicht,
Fig. 15
weitere spezielle Ausführungsform der in Fig. 12 gezeigten Schicht 20 in Aufsicht,
Fig. 16
weitere spezielle Ausführungsform der in Fig. 12 gezeigten Schicht 20 in Aufsicht.
Show it:
Fig. 1
security document according to the invention,
Fig. 2
film material according to the invention in the form of a transfer belt for producing a security element in cross section,
Fig. 3
Security element according to the invention with a rastered cover layer in cross section,
Fig. 4
Security element according to the invention with cutouts in the magnetic layer and rastered cover layer in cross section,
Fig. 5
Security element according to the invention with cutouts in the magnetic layer and rastered cover layer, the raster width in the area of the cutouts and in the area of the magnetic layer being different, in cross section,
Fig. 6
Security element according to the invention with a rastered cover layer, information being represented in the cover layer by varying the raster widths, in cross section,
Fig. 7
security element according to the invention with diffraction structures, a magnetic code and rastered cover layer in longitudinal section,
Fig. 8
Security element according to the invention with cutouts in the magnetic layer, additional diffraction structure and fluorescent layer in cross section,
Fig. 9
Security element according to the invention with a semitransparent, full-area cover layer in cross section,
Fig. 10
Security element according to the invention with a semitransparent cover layer, which is interrupted in certain areas by a grid, in cross section,
Fig. 11
Security element according to the invention with cutouts in the magnetic layer and semi-transparent cover layer in cross section,
Fig. 12
special embodiment of the security element according to the invention in cross section,
Fig. 13
special embodiment of the layer 20 shown in FIG. 12 in supervision,
Fig. 14
another special embodiment of the layer 20 shown in FIG. 12 in supervision,
Fig. 15
another special embodiment of the layer 20 shown in FIG. 12 in supervision,
Fig. 16
another special embodiment of the layer 20 shown in FIG. 12 in supervision.

Fig. 1 zeigt ein Sicherheitsdokument 1 gemäß der Erfindung. Im vorliegenden Fall ist eine Banknote dargestellt, in welche ein Sicherheitsfaden 2 in Form eines sogenannten "Fenstersicherheitsfadens" eingebettet ist. Dieser Sicherheitsfaden 2 wird während der Papierherstellung quasi in das Papier eingewebt und tritt in bestimmten regelmäßigen Abständen an die Oberfläche des Papiers. Diese Bereiche 3 sind hier schraffiert dargestellt.1 shows a security document 1 according to the invention. In the present In this case, a banknote is shown in which a security thread 2 in Form of a so-called "window security thread" is embedded. This Security thread 2 is virtually in the paper during paper production woven in and comes to the surface at certain regular intervals of the paper. These areas 3 are shown hatched here.

Der Begriff "Sicherheitsdokument" ist jedoch nicht auf Banknoten beschränkt. Es kann sich vielmehr um jedes beliebige Wertdokument, wie einen Scheck, eine Aktie, eine Ausweiskarte oder dergleichen, handeln.However, the term "security document" is not limited to banknotes. Rather, it can be any value document, such as one Check, share, ID card, or the like.

Bei dem erfindungsgemäßen Sicherheitselement 2 muss es sich ebenfalls nicht notwendigerweise um einen Sicherheitsfaden handeln. Das Sicherheitselement 2 kann beispielsweise auch als dünne Schichtfolge oder selbsttragendes Etikett vollständig auf der Oberfläche des Sicherheitsdokuments 1 angeordnet werden. Die Form des jeweiligen Elements ist ebenso frei wählbar. Das Element 2 kann beispielsweise streifenförmig von einer Kante des Dokuments 1 zur gegenüberliegenden Kante verlaufen oder alternativ inselförmig mit beliebigen Umrisskonturen ausgeführt sein.The security element 2 according to the invention must also be not necessarily a security thread. The security element 2 can, for example, also as a thin layer sequence or self-supporting Label completely on the surface of the security document 1 to be ordered. The shape of the respective element is also freely selectable. The element 2 can, for example, be strip-shaped from an edge of the Document 1 run to the opposite edge or alternatively island-shaped with any outline contours.

Sofern das Sicherheitselement lediglich als dünne Schichtfolge auf dem Sicherheitsdokument vorgesehen werden soll, ist es sinnvoll, die Schichtfolgedes Sicherheitselements separat auf einem Folienmaterial vorzubereiten und anschließend auf das Dokument zu übertragen. In diesem Fall müssen die Schichten auf der Transferfolie in umgekehrter Reihenfolge zur derjenigen vorliegen, die später auf dem Dokument erwünscht ist.If the security element is only a thin layer sequence on the security document it is advisable to change the sequence of shifts Prepare security elements separately on a film material and then transfer to the document. In this case, the Layers on the transfer film in reverse order to that that is later requested on the document.

Fig. 2 zeigt eine mögliche Ausführungsform eines derartigen Folienmaterials, wobei die dargestellte Transferfolie 20 die Form eines Bandes aufweist. 2 shows a possible embodiment of such a film material, wherein the transfer film 20 shown has the shape of a band.

Der Träger 7, beispielsweise eine transparente Kunststofffolie, wird in einem ersten Schritt, sofern notwendig, mit einer Trennschicht 8 versehen, welche dafür sorgt, dass der Schichtaufbau des Sicherheitselements 1 nach dem Übertrag auf das Sicherheitsdokument von dem Träger 7 abgelöst werden kann. Auf die Trennschicht 8 wird anschließend eine erste im sichtbaren Spektralbereich teiltransparente Abdeckschicht 6 aufgebracht, gefolgt von einer Magnetschicht 5. Die Abdeckschicht 6 ist in diesem Beispiel als gerasterte Schicht mit einer konstanten Rasterweite dargestellt. Über der Magnetschicht 5 wird schließlich eine Kleberschicht 9 vorgesehen, welche für eine Befestigung des Schichtaufbaus 21 auf dem Dokument sorgt. Hierbei kann es sich beispielsweise um Heißschmelzkleber oder auch strahlungshärtbare Kleber handeln.The carrier 7, for example a transparent plastic film, is in one first step, if necessary, provided with a separating layer 8, which ensures that the layer structure of the security element 1 after Transfer to the security document to be replaced by the carrier 7 can. A first visible layer is then placed on the separating layer 8 Spectral range partially transparent cover layer 6 applied, followed by a magnetic layer 5. The cover layer 6 is in this example as a screened Layer shown with a constant grid. Over the magnetic layer 5, an adhesive layer 9 is finally provided, which for securing the layer structure 21 to the document. Here it can be, for example, hot-melt adhesive or radiation-curable Act glue.

In manchen Fällen kann es vorteilhaft sein, den Träger 7 ebenfalls auf dem Dokument als Schutzschicht zu belassen. In diesem Fall darf selbstverständlich keinesfalls eine Trennschicht 8 auf dem Trägermaterial vorgesehen sein. Vielmehr müssen zusätzliche Maßnahmen ergriffen werden, dass der Schichtaufbau des Elements 1 eine gute Haftung zur Trägerschicht 7 aufweist.In some cases, it may be advantageous to also support the 7 Leave the document as a protective layer. In this case, of course under no circumstances may a separating layer 8 be provided on the carrier material. Rather, additional measures must be taken to ensure that the Layer structure of the element 1 has good adhesion to the carrier layer 7.

Sollen mit Hilfe einer solchen Transferfolie platziert etikettenartige Sicherheitselemente übertragen werden, so kann die Transferfolie entweder vollflächig mit dem Sicherheitselementschichtaufbau versehen und dieser nur in den gewünschten Bereichen, z.B. durch gezielte Aktivierung des Klebers aus der vollflächigen Beschichtung herausgelöst und übertragen werden. Alternativ kann das Trägermaterial bereits in voneinander beabstandeten Bereichen mit den gewünschten Einzelelementen versehen werden. With the help of such a transfer film, label-like security elements should be placed can be transferred, the transfer film can either over the entire surface provided with the security element layer structure and this only in the desired areas, e.g. through targeted activation of the adhesive the full-surface coating can be removed and transferred. Alternatively can the carrier material already in spaced areas with the desired individual elements.

Die im Folgenden erläuterten Schichtfolgen des Sicherheitselements können selbstverständlich alle auf einer derartigen Transferfolie erzeugt und anschließend auf das Dokument übertragen werden. Zur übersichtlicheren Darstellung werden jedoch lediglich Sicherheitselemente gezeigt und erläutert, die im Wesentlichen aus einer Trägerschicht und hierauf vorgesehenen Schichten für die Echtheitskennzeichnung bestehen. Derartige Sicherheitselemente werden meist zusammen mit der Trägerfolie auf bzw. in dem Sicherheitsdokument befestigt, wie z.B. Sicherheitsfäden oder Etiketten.The layer sequences of the security element explained below can of course, all created on such a transfer film and then transferred to the document. For clearer However, only security elements are shown and explained in the illustration, which essentially consist of a carrier layer and are provided thereon There are layers for the authenticity marking. Such security elements are usually together with the carrier film on or in the security document attached, e.g. Security threads or labels.

Fig. 3 zeigt den Schichtaufbau eines erfindungsgemäßen Sicherheitselements in der einfachsten Ausführungsform. Der Träger 4 ist hier vollflächig mit einer Magnetschicht 5 versehen, über welcher eine Schicht 6 in Form eines Rasters vorgesehen ist, wobei die Rasterelemente aus opakem Material bestehen. Diese gerasterte Schicht 6 muss am fertigen Dokument dem Betrachter zugewandt sein, um den erfindungsgemäßen Effekt der Abdeckung der Magnetschicht 5 gewährleisten zu können.3 shows the layer structure of a security element according to the invention in the simplest embodiment. The carrier 4 is here with the entire surface provided a magnetic layer 5, over which a layer 6 in the form of a Grid is provided, the grid elements made of opaque material. This screened layer 6 must be on the finished document to the viewer be facing the effect of covering the invention To be able to ensure magnetic layer 5.

Wird das Sicherheitselement als Sicherheitsfaden eingesetzt, so kann es sinnvoll sein, das Magnetmaterial auch auf der dem Raster 6 gegenüberliegenden Seite abzudecken. Hierfür kann entweder zwischen Magnetschicht 5 und Träger 4 oder auf der gegenüberliegenden Oberfläche des Trägers 4 eine weitere Rasterschicht oder auch eine vollflächige, vorzugsweise weiße oder helle Druckschicht, vorgesehen werden. Die weiße bzw. helle Schicht bietet den Vorteil, dass der Faden von der Unterseite her farblich gut an das Papier angepasst ist und daher auf der Rückseite des Papiers an der Oberfläche praktisch nicht in Erscheinung tritt. If the security element is used as a security thread, it can make sense be, the magnetic material also on the grid 6 opposite Cover page. For this, either between magnetic layer 5 and carrier 4 or on the opposite surface of the carrier 4 a another grid layer or a full-area, preferably white or bright print layer, can be provided. The white or light layer offers the advantage that the thread has a good color from the bottom to the paper is adapted and therefore on the back of the paper on the surface practically does not appear.

Die Verwendung einer zweiten gerasterten Schicht dagegen hat den Vorteil, dass der Faden auf der Vorder- und Rückseite identisch aussieht und daher auf eine seitenrichtige Einbringung in das Papier verzichtet werden kann.On the other hand, the use of a second screened layer has the advantage that the thread on the front and back looks identical and therefore it is possible to dispense with correct insertion into the paper.

Derartige zusätzliche Abdeckmaßnahmen können selbstverständlich auch bei den übrigen Ausführungsformen eingesetzt werden.Such additional covering measures can of course also be used in the other embodiments.

Fig. 4 zeigt ein Sicherheitselement mit der bereits anhand von Fig. 3 erläuterten Schichtfolge. Die Magnetschicht 5 ist im vorliegenden Fall allerdings zusätzlich mit Aussparungen 10 in Form von Zeichen, Mustern oder dergleichen versehen. Handelt es sich um ein Sicherheitselement, welches in eine Papierschicht eingebettet wird, so wird der Träger 4 vorteilhafterweise transparent oder zumindest transluzent ausgeführt. Auf diese Weise können die Aussparungen 10 bei Betrachtung im Durchlicht als stark kontrastierende Zeichen in der durch das opake Magnetmaterial 5 gebildeten Umgebung erkannt werden. Die Rasterelemente der Schicht 6 im Bereich der Aussparungen 10 beeinträchtigen diesen Effekt kaum. Bei Betrachtung im Auflicht sorgt das Raster 6 jedoch zusätzlich für eine Verschleierung der Aussparungen 10, so dass diese praktisch nicht in Erscheinung treten. Wie bereits diskutiert, reicht die gerasterte Schicht 6 auch aus, das dunkle Erscheinungsbild der Magnetschicht 5 zu verdecken.FIG. 4 shows a security element with the one already explained with reference to FIG. 3 Shift sequence. In the present case, however, the magnetic layer 5 is additional with recesses 10 in the form of characters, patterns or the like Mistake. Is it a security element, which is in a Paper layer is embedded, the carrier 4 is advantageously transparent or at least translucent. That way you can the cutouts 10 when viewed in transmitted light as strongly contrasting Signs in the environment formed by the opaque magnetic material 5 be recognized. The grid elements of layer 6 in the area of the cutouts 10 hardly affect this effect. When viewed in incident light however, the grid 6 additionally obscures the cutouts 10, so that they practically do not appear. As discussed earlier, the screened layer 6 is also sufficient, the dark appearance to cover the magnetic layer 5.

Fig. 5 zeigt eine weitere Variante des erfindungsgemäßen Sicherheitselements, welches, wie bereits anhand von Fig. 4 erläutert, aus einer Trägerschicht 4, einer Magnetschicht 5 mit Aussparungen 10 in Form von visuell erkennbaren Informationen sowie einer gerasterten Schicht 6 besteht. Im Bereich der Aussparungen 10 wurde jedoch die Rasterweite der Schicht 6 verändert. Fig. 5 zeigt den Fall, dass die Rasterweite a im Bereich des magnetischen Materials größer ist als die Rasterweite b im Bereich der Aussparungen 10. Der umgekehrte Fall, dass die Rasterweite a kleiner ist als die Rasterweite b, ist selbstverständlich ebenso möglich. Je nach Wahl der Rasterweiten a, b können die Aussparungen 10 in der Magnetschicht 5 mehr hervorgehoben oder verborgen werden.5 shows a further variant of the security element according to the invention, which, as already explained with reference to FIG. 4, consists of a carrier layer 4, a magnetic layer 5 with recesses 10 in the form of visual recognizable information and a screened layer 6 exists. In the area the recesses 10, however, the grid width of the layer 6 was changed. 5 shows the case where the raster width a is in the range of the magnetic Material is greater than the grid width b in the area of the cutouts 10. The opposite case, where the raster width a is smaller than the raster width b, is of course also possible. Depending on the choice of the grid widths a, b, the recesses 10 in the magnetic layer 5 can be highlighted more or be hidden.

Fig. 6 zeigt eine Ausführungsform des erfindungsgemäßen Sicherheitselementes 2, bei welcher die Magnetschicht 5 vollflächig auf dem Träger 4 vorliegt und lediglich die gerasterte Abdeckschicht 6 lesbare Informationen 12 enthält. Diese werden durch eine Variation der Rasterweite dargestellt. Fig. 6 zeigt erneut den Fall, dass die Rasterweite a größer ist als die Rasterweite b im Bereich der Information 12. Der umgekehrte Fall ist selbstverständlich auch hier möglich. Dieses Sicherheitselement hat den Vorteil, dass die Magnetschicht 5 ausreichend abgedeckt wird, gleichzeitig jedoch visuell und/oder maschinell erkennbare Informationen vorliegen, die auf einfache Weise im gleichen Arbeitsgang mit dem Aufbringen der Abdeckschicht 6 erzeugt werden.6 shows an embodiment of the security element according to the invention 2, in which the magnetic layer 5 is present over the entire area on the carrier 4 and only the screened cover layer 6 readable information 12 contains. These are represented by a variation of the grid width. Fig. 6 shows again the case where the screen ruling a is larger than the screen ruling b in the area of information 12. The reverse case goes without saying also possible here. This security element has the advantage that the magnetic layer 5 is sufficiently covered, but at the same time visually and / or machine-recognizable information that is simple Way in the same operation with the application of the cover layer 6 be generated.

In Fig. 7 ist eine Ausführungsform des erfindungsgemäßen Sicherheitselements dargestellt, welches neben einem magnetischen Echtheitsmerkmal ein optisch variables, visuell prüfbares Echtheitsmerkmal aufweist. Das Sicherheitselement wird hier im Längsschnitt gezeigt, um die besondere Ausgestaltung der Magnetschicht 5 in Form einer Codierung besser veranschaulichen zu können. Der Träger 4 ist hierfür auf einer seiner Oberflächen mit dem magnetischen Echtheitsmerkmal 5 versehen, welches im vorliegenden Fall in Form eines magnetischen Codes vorliegt. Über der Magnetschicht 5 ist die erfindungsgemäße Abdeckschicht 6 angeordnet. Auf der gegenüberliegenden Oberfläche des Trägers 4 befindet sich eine Schicht 13, deren vom Träger 4 abgewandte Oberfläche mit einer Beugungsstruktur in Form einer Reliefstruktur versehen ist. Um die in dieser Reliefstruktur gespeicherte Information sichtbar machen zu können, ist die Schicht 13 mit einer Reflexionsschicht 14 versehen.7 shows an embodiment of the security element according to the invention shown, which in addition to a magnetic authenticity feature has optically variable, visually verifiable authenticity feature. The security element is shown here in longitudinal section to the special design illustrate the magnetic layer 5 better in the form of a coding to be able to. The carrier 4 is for this on one of its surfaces with the magnetic authenticity feature 5, which in the present case in Form of a magnetic code. Over the magnetic layer 5 is the Cover layer 6 according to the invention arranged. On the opposite The surface of the carrier 4 is a layer 13, of which the carrier 4 surface facing away with a diffraction structure in the form of a relief structure is provided. The information stored in this relief structure To be able to make visible is the layer 13 with a reflection layer 14 provided.

Je nachdem, ob das Element in Transmission oder lediglich jeweils nur von einer Seite her überprüfbar sein soll, können die einzelnen Schichten unterschiedlich ausgestaltet werden. Für den Fall, dass das Element in Transmission prüfbar sein soll, muss der Träger 4 aus einem transparenten oder zumindest transluzenten Material bestehen. Die Reflexionsschicht 14 muss ebenfalls eine zumindest teildurchlässige Schicht sein. Sie kann beispielsweise aus einem transparenten Lack bestehen, der einen zur Schicht 13 unterschiedlichen Brechungsindex aufweist oder aber aus einer semitransparenten Metallschicht.Depending on whether the element is in transmission or only from one side can be checked, the individual layers can be different be designed. In the event that the element is in transmission to be testable, the carrier 4 must be made of a transparent or at least translucent material. The reflection layer 14 must also be an at least partially permeable layer. For example, it can consist of a transparent lacquer, one different from layer 13 Has refractive index or from a semi-transparent Metal layer.

Eine besonders vorteilhafte Ausführungsform ergibt sich allerdings, wenn die Reflexionsschicht 14 als Raster ausgebildet ist, wobei die Rasterelemente aus einer opaken Metallschicht bestehen. In diesem Fall kann einerseits die optisch variable Information in Reflexion beobachtet werden und andererseits die auf der gegenüberliegenden Oberfläche des Trägers 4 aufgebrachte Magnetschicht 5. Dies ist von besonderem Interesse, wenn die Magnetschicht 5, nicht wie in Fig. 7 gezeigt, in Form einer Codierung auf dem Träger 4 vorliegt, sondern Aussparungen 10 in Form von Zeichen aufweist, wie in den Fig. 4 und 5 dargestellt. Die Beugungsstruktur 13 bzw. die Reflexionsschicht 14 dienen hier als zusätzliche Abdeckschicht für die Magnetschicht 5, insbesondere wenn das Sicherheitselement als Fenstersicherheitsfaden in Sicherheitspapier eingebettet wird. Ist die Beugungsschicht 13 mit der durchlässigen Reflexionsschicht 14 in den Fensterbereichen dem Betrachter zugewandt, wird dieser im Auflicht in erster Linie die optisch variablen Effekte erkennen. Erst im Durchlicht werden die in der Magnetschicht 5 vorhandenen Aussparungen 10 durch die Rasterlücken hindurch sichtbar. Die über der Magnetschicht 5 angeordnete gerasterte Schicht 6 dient hier dazu, den Faden auch bei Betrachtung der Rückseite des Papiers unauffällig zu gestalten, d.h. die dunkle Magnetschicht abzudecken.A particularly advantageous embodiment results, however, if the reflection layer 14 is designed as a grid, the grid elements consist of an opaque metal layer. In this case, the optically variable information can be observed in reflection and on the other hand that applied to the opposite surface of the carrier 4 Magnetic layer 5. This is of particular interest when the magnetic layer 5, not as shown in FIG. 7, is in the form of a coding on the carrier 4, but has recesses 10 in the form of characters, as in the 4 and 5 are shown. The diffraction structure 13 or the reflection layer 14 serve here as an additional covering layer for the magnetic layer 5, in particular if the security element as a window security thread in security paper is embedded. Is the diffraction layer 13 with the permeable Reflection layer 14 in the window areas facing the viewer, In reflected light, this will primarily recognize the optically variable effects. Only in transmitted light are those in the magnetic layer 5 Recesses 10 visible through the grid gaps. The over the Magnetic layer 5 arranged grid layer 6 serves here, the thread to be inconspicuous even when looking at the back of the paper, i.e. to cover the dark magnetic layer.

Es ist auch denkbar, die Reflexionsschicht 14 als opake Metallschicht auszubilden. Ist dem Beobachter in diesem Fall die Abdeckschicht 6 zugewandt, so kann er die Beugungsstruktur nur in den magnetschicht- und abdeckschichtfreien Bereichen beobachten. Weist die Magnetschicht 5 beispielsweise Aussparungen in Form von Zeichen auf, so zeigen diese Zeichen den optisch variablen Effekt der Schicht 13. Bei Betrachtung des Elements von der Rückseite erkennt der Betrachter allerdings lediglich die optisch variable Information. Die opake Reflexionsschicht 14 verhindert ein Erkennen der Magnetschicht 5 auf der gegenüberliegenden Trägeroberfläche.It is also conceivable to design the reflection layer 14 as an opaque metal layer. If the observer in this case faces the cover layer 6, This means that the diffraction structure can only be found in those that are free of magnetic layers and cover layers Watch areas. For example, the magnetic layer 5 Cutouts in the form of characters, these characters show the optically variable effect of layer 13. When looking at the element of the On the back, however, the viewer only recognizes the optically variable Information. The opaque reflection layer 14 prevents detection of the Magnetic layer 5 on the opposite carrier surface.

In manchen Situationen kann es vorteilhaft sein, wenn die Oberflächen des Elements lediglich getrennt voneinander geprüft werden können. In diesem Fall muss das Trägermaterial 4 opak ausgeführt sein. Die Reflexionsschicht 14 kann in diesem Fall beliebig gestaltet werden.In some situations it can be advantageous if the surfaces of the Elements can only be checked separately. In this In this case, the carrier material 4 must be opaque. The reflection layer In this case, 14 can be designed as desired.

Für alle genannten Beispiele gilt zudem, dass die Beugungsstruktur nicht notwendigerweise in eine separate Schicht, wie eine Lackschicht, eingeprägt werden muss. Sie kann selbstverständlich auch direkt in die Oberfläche des Trägermaterials 4 eingebracht werden.It also applies to all the examples mentioned that the diffraction structure is not necessarily embossed in a separate layer, such as a lacquer layer must become. You can of course also directly into the surface of the Carrier material 4 are introduced.

Eine weitere Ausführungsform gemäß der Erfindung sieht vor, alle sicherheitstechnisch relevanten Schichten auf einer Oberfläche des Trägers 4 anzuordnen, wie in Fig. 8 dargestellt. Hier wird auf dem Träger 4 zuerst die Magnetschicht 5 vorgesehen, die im vorliegenden Fall Aussparungen 10 in Form von Zeichen oder Mustern aufweist. Darüber befindet sich eine transparente Lackschicht 15 mit wenigstens einem Lumineszenzstoff, der bei Anregung mit Strahlung außerhalb und/oder innerhalb des sichtbaren Spektralbereichs emittiert. Darüber ist die Abdeckschicht 6, hier in Form eines regelmäßigen Rasters dargestellt, angeordnet. Die letzte Schicht bildet eine Lackschicht 13, in welche Beugungsstrukturen in Form einer Reliefstruktur eingebracht sind sowie eine Reflexionsschicht 14. Die Reflexionsschicht 14 muss im vorliegenden Fall ebenfalls teildurchlässig ausgeführt sein, um eine visuelle und/oder maschinelle Erkennbarkeit der in der Magnetschicht 5 eingebrachten Aussparungen 10 im Durchlicht zu ermöglichen. Wie bereits erwähnt, kann sie aus einer semitransparenten Metallschicht bzw. einer gerasterten opaken Metallschicht oder auch einer transparenten Lackschicht mit unterschiedlichem Brechungsindex bestehen. Die lumineszierende Schicht 15 kann selbstverständlich auch mehrere Lumineszenzstoffe enthalten bzw. mehrere ineinander übergehende Bereiche unterschiedlicher Emissionswellenlänge aufweisen, so dass eine Regenbogenfluoreszenz entsteht. Auch ein Aufbringen in Form von Mustern ist möglich. Um das Sicherheitselement vor Umwelteinflüssen und mechanischen Belastungen zu schützen, kann es zusätzlich noch mit einer Schutzschicht, z.B. einer transparenten Lackschicht versehen sein, die allerdings in der Figur nicht gezeigt ist.Another embodiment according to the invention provides, all in terms of security to arrange relevant layers on a surface of the carrier 4, as shown in Fig. 8. Here the magnetic layer is first on the carrier 4 5 is provided, the cutouts 10 in Has the shape of characters or patterns. There is a transparent one above Lacquer layer 15 with at least one luminescent substance, which when excited with radiation outside and / or within the visible spectral range emitted. The cover layer 6, here in the form of a shown regular grid, arranged. The last layer forms one Lacquer layer 13, in which diffraction structures in the form of a relief structure are introduced as well as a reflection layer 14. The reflection layer 14 must also be made partially permeable in the present case in order to visual and / or machine recognizability of the magnetic layer 5 to allow introduced recesses 10 in transmitted light. As before mentioned, it can consist of a semi-transparent metal layer or a screened opaque metal layer or a transparent lacquer layer with different refractive index. The luminescent Layer 15 can of course also contain several luminescent substances or several merging areas of different emission wavelengths have, so that a rainbow fluorescence arises. Application in the form of patterns is also possible. To the security element to protect against environmental influences and mechanical loads, it can also be covered with a protective layer, e.g. a transparent one Paint layer may be provided, which is however not shown in the figure.

Fig. 9 zeigt eine weitere Variante der Erfindung, bei welcher die Abdeckschicht jedoch nicht mehr aus einer gerasterten Schicht mit opaken Rasterelementen besteht. Stattdessen wird eine semitransparente Schicht 16, vorzugsweise eine semitransparente Metallschicht verwendet, welche auf die Magnetschicht 5 aufgebracht wird. Wie bereits im Zusammenhang mit der gerasterten Abdeckschicht erläutert, kann auch die semitransparente Schicht benutzt werden, um visuell erkennbare Informationen einzubringen. Fig. 9 shows a further variant of the invention, in which the cover layer however no longer from a screened layer with opaque screen elements consists. Instead, a semi-transparent layer 16 is preferred a semi-transparent metal layer is used, which on the Magnetic layer 5 is applied. As already in connection with the rasterized cover layer explained, can also the semi-transparent layer used to bring in visually recognizable information.

Wie in Fig. 10 dargestellt, kann dies durch Vorsehen eines Rasters im Bereich der Informationen 19 geschehen.As shown in Fig. 10, this can be done by providing a grid in the area of information 19 happen.

Fig. 11 zeigt den Fall, dass die Magnetschicht 5 mit Aussparungen 10 in Form von Zeichen, Mustern oder dergleichen versehen ist und darüber die semitransparente Schicht 16 angeordnet wird. Auch hier sind die Zeichen im Durchlicht als stark zu ihrer Umgebung kontrastierende Informationen erkennbar, während sie bei Betrachtung im Auflicht kaum in Erscheinung treten.11 shows the case in which the magnetic layer 5 with cutouts 10 in Form of characters, patterns or the like is provided and above that semitransparent layer 16 is arranged. Here are the signs in the Transmitted light can be recognized as information that contrasts strongly with its surroundings, while they hardly appear when viewed in incident light.

Fig. 12 zeigt eine weitere Ausführungsform des erfindungsgemäßen Sicherheitselements 2. In diesem Fall ist der Träger 4 auf einer Seite mit einer Schicht 20 versehen, die von einer gerasterten Abdeckschicht 6, hier in Form eines regelmäßigen Rasters dargestellt, abgedeckt wird. Auf der gegenüberliegenden Seite des Trägers 4 ist eine identische gerasterte Schicht 6 angeordnet, die dafür sorgt, dass das Sicherheitselement von beiden Seiten ein identisches Erscheinungsbild liefert. Die zweite auf der Unterseite des Trägers 4 aufgebrachte gerasterte Schicht 6 könnte alternativ jedoch auch zwischen der Schicht 20 und dem Träger 4 angeordnet sein oder vollständig fehlen. Bei der Schicht 20 handelt es sich um eine vollflächige Schicht, die farblich einheitlich gestaltet ist, sich aber aus Materialien mit unterschiedlichen Eigenschaften zusammensetzt.12 shows a further embodiment of the security element according to the invention 2. In this case, the carrier 4 is on one side with a Layer 20 provided by a screened cover layer 6, here in the form of a regular grid is covered. On the opposite An identical grid layer 6 is arranged on the side of the carrier 4, which ensures that the security element is from both sides provides an identical appearance. The second on the underside of the carrier 4 applied screened layer 6 could alternatively also between the layer 20 and the carrier 4 may be arranged or completely absence. Layer 20 is a full-surface layer that is designed in a uniform color, but is made of materials with different Properties.

Die Fig. 13 bis 15 zeigen unterschiedliche Ausführungsformen dieser Schicht 20 in Aufsicht. In diesen Beispielen bildet die Schicht 20 eine zusammenhängende Schicht, die sich über zumindest einen Teilbereich des Trägers 4 erstreckt. 13 to 15 show different embodiments of this layer 20 under supervision. In these examples, layer 20 forms a coherent one Layer that extends over at least a portion of the carrier 4.

Gemäß Fig. 13 setzt sich die Schicht 20 aus alternierend angeordneten Bereichen 5 und 21 zusammen, die aus Zwecken der Anschaulichkeit in der Figur durch Trennstriche voneinander getrennt sind. Tatsächlich können diese Bereiche visuell nicht voneinander getrennt werden, da sie farblich identisch gestaltet sind. In den Bereichen 5 ist jedoch Magnetmaterial angeordnet, das maschinell nachgewiesen werden kann, während in den Zwischenbereichen 21 ein Material gleicher Farbe ohne magnetische Eigenschaften angeordnet ist. Die magnetischen Bereiche 5 können dabei eine Codierung darstellen. Wie in Fig. 13 gezeigt, können sowohl die magnetischen Bereiche 5 als auch die nichtmagnetischen Bereiche 21 Aussparungen 10 in Form von lesbaren Informationen aufweisen. Auf diese Aussparungen 10 kann jedoch auch verzichtet werden.According to FIG. 13, the layer 20 is composed of alternately arranged areas 5 and 21 together, for the sake of clarity in the figure are separated from each other by hyphens. In fact, these areas cannot be visually separated from each other because they are identical in color are designed. In the areas 5, however, magnetic material is arranged can be detected mechanically while in the intermediate areas 21 a material of the same color arranged without magnetic properties is. The magnetic areas 5 can represent a coding. As shown in Fig. 13, both the magnetic regions 5 and 5 can the non-magnetic areas 21 recesses 10 in the form of readable Show information. However, these recesses 10 can also be used to be dispensed with.

Fig. 14 zeigt eine andere gegenseitige Anordnung der magnetischen Bereiche 5 und der nichtmagnetischen Bereiche 21. Hier ist das Magnetmaterial 5 passerhaltig zu den in den nichtmagnetischen Bereichen vorgesehenen Aussparungen 10 im Randbereich des Sicherheitselements angeordnet. In Fig. 14 sind die magnetischen Bereiche 5 als vollflächige, parallel zu den Aussparungen 10 verlaufende, sogenannte "Magnetspuren" dargestellt. Alternativ ist es auch denkbar, diese Spuren zu unterbrechen und so eine magnetische Codierung, die parallel zu den Aussparungen 10 angeordnet ist, zu erzeugen. Die Zwischenbereiche der magnetischen Codierung müssten in diesem Fall ebenfalls mit der nichtmagnetischen Schicht 21 aufgefüllt werden.Fig. 14 shows another mutual arrangement of the magnetic areas 5 and the non-magnetic areas 21. Here, the magnetic material 5 contains register to the recesses provided in the non-magnetic areas 10 arranged in the edge region of the security element. In Fig. 14 are the magnetic areas 5 as full-area, parallel to the recesses 10 running, so-called "magnetic tracks" shown. Alternatively it is also conceivable to interrupt these traces and create a magnetic one Generate coding that is arranged parallel to the recesses 10. The intermediate areas of the magnetic coding would have to be in this Case also be filled with the non-magnetic layer 21.

Fig. 15 zeigt ebenfalls eine Ausführungsform der Schicht 20 in Aufsicht. Hier bilden die magnetischen Bereiche 5 ebenfalls eine Codierung, deren Zwischenbereiche durch eine nichtmagnetische Schicht 21 identischer Farbe ausgefüllt werden. Die Aussparungen 10 befinden sich in diesem Beispiel lediglich in den nichtmagnetischen Bereichen 21. 15 also shows an embodiment of the layer 20 in a top view. Here the magnetic areas 5 also form a coding, the intermediate areas thereof filled with a non-magnetic layer 21 of identical color become. The cutouts 10 are only in this example in the non-magnetic areas 21.

Fig. 16 zeigt schließlich ein weitere mögliche Ausführungsform der Schicht 20. In diesem Beispiel ist die Schicht 20 nicht zusammenhängend ausgeführt, sondern setzt sich aus voneinander getrennten magnetischen Bereichen 5 und nichtmagnetischen Bereichen 21 zusammen. Wie in Fig. 16 dargestellt, können die nichtmagnetischen Bereiche 21, die farblich jedoch identisch zu den magnetischen Bereichen 5 gestaltet sind, beispielsweise lesbare Informationen, Muster oder dergleichen darstellen. Diese können auch je nach Abstand zwischen den magnetischen Bereichen 5 in der Größe bzw. dem Informationsgehalt variieren.16 finally shows a further possible embodiment of the layer 20. In this example, layer 20 is not continuous, but consists of separate magnetic areas 5 and non-magnetic areas 21 together. As shown in Fig. 16, can the non-magnetic areas 21, but the color identical to the magnetic areas 5 are designed, for example readable information, Represent patterns or the like. These can also vary depending on the distance between the magnetic areas 5 in size or information content vary.

Für alle Ausführungsformen gilt, dass die gezeigten Darstellungsvarianten für die Magnetschicht (z.B. magnetische Codierung) und der Abdeckschicht (z.B. unterschiedliche Rasterweiten) nach Belieben im Rahmen der Erfindung miteinander kombiniert werden können. Auch zusätzliche Merkmale, wie eine optisch variable Schicht, eine Fluoreszenzschicht oder eine andere zusätzliche Merkmalsschicht können in alle gezeigten Ausführungsformen integriert werden. Bei den optisch variablen Schichten kann es sich, wie in den Figuren gezeigt, um geprägte Beugungsstrukturen, die beispielsweise Kinegramme, Moviegramme oder Hologramme darstellen, handeln. Selbstverständlich können auch andere optisch variable Schichten, wie beispielsweise transparente oder opake Interferenzschichten Anwendung finden. Diese können direkt auf das Element aufgedampft oder aber in Form von Pigmenten einer Druckfarbe beigemischt werden. Opake Effektfarben eignen sich insbesondere auch für die Erzeugung der gerasterten Abdeckschicht.It applies to all embodiments that the shown display variants for the magnetic layer (e.g. magnetic coding) and the cover layer (e.g. different screen rulings) as desired within the scope of the invention can be combined with each other. Also additional features like an optically variable layer, a fluorescent layer or another additional layer The feature layer can be integrated in all of the embodiments shown become. The optically variable layers can, as in the Figures shown around embossed diffraction structures, for example kinegrams, Represent moviegrams or holograms, act. Of course can also other optically variable layers, such as transparent or opaque interference layers are used. This can be evaporated directly onto the element or in the form of pigments be mixed with an ink. Opaque effect colors are suitable especially for the generation of the screened cover layer.

Die Herstellung der erfindungsgemäßen Sicherheitselemente erfolgt auf einfache Weise, indem ein Trägermaterial, wie z.B. eine Kunststofffolie oder Papier, mit den Echtheitsmerkmalen versehen und anschließend in einzelne Elemente der gewünschten Form geschnitten wird. Bei der Verwendung als Etikett muss eine der Oberflächen zusätzlich mit Klebstoff beschichtet werden. Soll lediglich der Elementschichtaufbau ohne Trägermaterial auf dem Dokument vorgesehen werden, wird ein separates Transferband, z.B. eine Heißprägefolie, mit dem Elementschichtaufbau vorbereitet und anschließend Teile hieraus z.B. unter Wärme- und Druckeinwirkung auf das Dokument oder das in Endlosform vorliegende Dokumentenmaterial übertragen. Die Sicherheitselemente können auch bereits mit ihren endgültigen Umrisskonturen auf dem Transferband erzeugt und anschließend übertragen werden. Die Magnetschicht kann entweder aufgedruckt (z.B. im Siebdruck) oder mit Beschichtungsverfahren aufgebracht werden. Weist die Magnetschicht Aussparungen in Form von Zeichen oder Mustern etc. auf oder wird sie als magnetischer Code ausgebildet, so kann gemäß einer weiteren Ausführungsform in den magnetschichtfreien Zwischenbereichen eine weitere visuell und/oder maschinell lesbare Information angeordnet werden. Sie kann beispielsweise von Schriftzeichen oder ähnlichem gebildet werden, die mit einer metallpigmenthaltigen Druckfarbe oder durch Metallisierungsverfahren, wie hot stamping etc. erzeugt werden.The security elements according to the invention are produced in a simple manner Way, by using a carrier material, e.g. a plastic film or Paper, provided with the authenticity features and then in individual Elements of the desired shape is cut. When using as One of the surfaces must be additionally coated with adhesive. Should only the element layer structure without carrier material on the A separate transfer belt, e.g. a Hot stamping foil, prepared with the element layer structure and then Parts of it e.g. under the influence of heat and pressure on the document or transfer the document material in endless form. The Security elements can also already have their final outline contours generated on the transfer belt and then transferred. The magnetic layer can either be printed on (e.g. in screen printing) or with Coating processes are applied. The magnetic layer has cutouts in the form of characters or patterns etc. or it becomes magnetic Code formed, so according to another embodiment another visually in the magnetic layer-free intermediate areas and / or machine-readable information can be arranged. For example, it can of characters or the like formed with a printing ink containing metal pigments or by metallization processes, how hot stamping etc. are generated.

Die Abdeckschicht kann ebenfalls drucktechnisch erzeugt werden. Im Fall der gerasterten Abdeckschicht eignen sich insbesondere metallpigmenthaltige, weiße oder helle Druckfarben. Es können aber auch Druckfarben verwendet werden, die spezielle Farbpigmente, wie optisch variable Interferenzschichtpigmente mit Körperfarben enthalten.The cover layer can also be produced using printing technology. In the case the screened cover layer are particularly suitable white or light inks. Printing inks can also be used the special color pigments, such as optically variable interference layer pigments with body colors included.

Wird für die Abdeckschicht allerdings eine Vollmetallschicht verwendet, so muss diese über Metallisierungsverfahren aufgebracht werden. Die semitransparente vollflächige Abdeckschicht kann auf einfache Weise im Vakuummetallisierungsverfahren erzeugt werden. Eine unterbrochene Metallschicht lässt sich unter Verwendung von Masken ebenfalls im Vakuumdampfverfahren erzeugen. Alternativ kann die Metallschicht im ersten Schritt vollflächig aufgebracht und anschließend über Ätztechniken in den gewünschten Bereichen wieder entfernt werden. Eine weitere Möglichkeit bieten Verfahren, bei welchen in den später zu entfernenden Bereichen eine Antihaftschicht aufgebracht wird. Nach der vollflächigen Beschichtung mit Metall wird die Antihaftschicht chemisch gelöst und damit die darüberliegende Metallschicht entfernt.However, if a full metal layer is used for the cover layer, then this must be applied using metallization processes. The semi-transparent full-surface cover layer can be easily in the vacuum metallization process be generated. An interrupted layer of metal can also be used in the vacuum vapor process using masks produce. Alternatively, the metal layer in the first Step applied over the entire surface and then using etching techniques in the desired areas can be removed again. One more way offer methods in which a. in the areas to be removed later Non-stick layer is applied. After the full surface coating with Metal removes the non-stick layer chemically and thus the layer above it Removed metal layer.

Werden die erfindungsgemäßen Sicherheitselemente als Sicherheitsfäden verwendet, so kann es vorteilhaft sein, das Sicherheitselement symmetrisch aufzubauen. In diesem Fall werden zwei Träger mit der gleichen Schichtfolge hergestellt und so miteinander verklebt, dass die Merkmalsschichten zwischen die Träger zu liegen kommen. Auf diese Weise werden sie vor schädlichen Umwelteinflüssen, wie beispielweise Feuchtigkeit oder Korrosion geschützt. Häufig genügt allerdings auch, die sicherheitstechnisch relevanten Schichten auf einem Träger aufzubringen und die Schichten in einem letzten Schritt mit einer schützenden Lackschicht zu versehen oder eine schützende Folienschicht aufzulaminieren.The security elements according to the invention are used as security threads used, it can be advantageous to make the security element symmetrical build up. In this case, two carriers with the same layer sequence manufactured and glued together so that the feature layers between the carriers come to rest. This way they will be harmful Protected against environmental influences such as moisture or corrosion. However, the safety-relevant ones are often also sufficient Apply layers on a support and the layers in a last Step with a protective lacquer layer or a protective Laminate film layer.

Ebenso kann es sinnvoll sein, unterhalb der Magnetschicht ebenfalls eine Abdeckschicht vorzusehen, so dass das Sicherheitselement von beiden Seiten das gleiche Erscheinungsbild zeigt.It can also be useful to have one below the magnetic layer Provide cover layer so that the security element from both sides shows the same appearance.

Die gezeigten und erläuterten Sicherheitselemente bzw. Sicherheitsdokumente können auch zur Absicherung unterschiedlichster Produkte verwendet werden. Diebstahlschutzetiketten beispielsweise, die meist über Spulen oder komplizierte elektronische Schaltkreise mit Überwachungsgeräten kommunizieren, können mit einem Sicherheitselement gemäß der Erfindung weiter abgesichert werden. Ebenso kann ein Sicherheitsdokument, beispielsweise ein Banknotenpapier, welches ein Sicherheitselement gemäß der Erfindung aufweist, als Echtheitszertifikat auf beliebigen Gegenständen, wie CD's, Büchern etc. appliziert werden.The security elements and security documents shown and explained can also be used to secure a wide variety of products become. Anti-theft labels, for example, mostly on spools or complicated electronic circuits with monitoring devices can communicate with a security element according to the invention continue to be secured. A security document, for example a banknote paper which is a security element according to the Invention has, as a certificate of authenticity on any objects, such as CD's, books etc. can be applied.

Claims (24)

  1. A security element for protecting objects which has at least one mechanically testable magnetic layer and at least one further layer, characterized in that the further layer is a layer semitransparent in the visual spectral region and the semitransparent layer is disposed over the magnetic layer so as to cover the magnetic layer.
  2. A security element according to claim 1, characterized in that the semitransparent layer consists of a screen whose screen elements are opaque.
  3. A security element according to claim 2, characterized in that the opaque screen elements consist of a light printing ink, a printing ink containing metallic pigments, a metallic-effect ink or a metal layer.
  4. A security element according to either claim 2 or 3, characterized in that visually and/or mechanically recognizable information is present in the screened layer.
  5. A security element according to claim 4, characterized in that the information is represented by variation of the screen width or the absence of screen elements in the form of the desired information.
  6. A security element according to claim 1, characterized in that the semitransparent layer is a semitransparent metal layer.
  7. A security element according to claim 6, characterized in that visually and/or mechanically recognizable information is present in the semitransparent metal layer.
  8. A security element according to claim 7, characterized in that the information is represented by executing the metal layer as a screen in certain areas having the form of characters, patterns or the like.
  9. A security element according to at least one of claims 1 to 8, characterized in that a second opaque layer in the form of a screen or a semitransparent metal layer is disposed under the magnetic layer.
  10. A security element according to at least one of claims 1 to 9, characterized in that the magnetic layer has gaps in the form of characters, patterns or the like.
  11. A security element according to at least one of claims 1 to 9, characterized in that the magnetic layer is applied in the form of a coding, in particular a bar code.
  12. A security element according to claim 10 or 11, characterized in that further visually and/or mechanically recognizable information is disposed in the magnetic layer free areas of the code or in the gaps.
  13. A security element according to claim 12, characterized in that the magnetic layer free intermediate areas have a nonmagnetic layer having gaps in the form of patterns, characters or the like and having the same color as the magnetic layer.
  14. A security element according to at least one of claims 1 to 13, characterized in that the security element additionally has further security features such as luminescent substances, diffraction structures, interference layers, etc.
  15. A security element according to at least one of claims 1 to 14, characterized in that the security element is formed on a plastic foil optionally having the form of a thread or band.
  16. A security element according to at least one of claims 1 to 14, characterized in that the security element is designed in the form of a self-adhesive label.
  17. Foil material for producing security elements consisting of a plastic foil with at least one mechanically testable magnetic layer and at least one further layer disposed thereon, characterized in that the further layer is a layer semitransparent in the visual spectral region and the semitransparent layer is disposed over the magnetic layer so as to cover the magnetic layer.
  18. Foil material according to claim 17, characterized in that the foil material is formed as a transfer foil.
  19. Foil material according to claim 17 or 18, characterized in that the semitransparent layer consists of a semitransparent metal layer or a screen whose screen elements are opaque.
  20. Foil material according to at least one of claims 17 to 19, characterized in that it has diffraction structures in the form of a relief structure.
  21. A security document such as a bank note, security, ID card or the like, characterized in that it has a security element according to at least one of claims 1 to 16.
  22. A security document according to claim 21, characterized in that the security element is embedded at least partly in the security document.
  23. A method for producing foil material for producing security elements in the form of threads or bands which are embedded at least partly in a security document such as a bank note, security, ID card or the like, characterized by the following steps:
    coating a plastic foil with magnetic material,
    applying a layer semitransparent in the visual spectral region to the magnetic layer,
    dividing the foil material into security elements of predetermined size and shape.
  24. A method for producing foil material for producing security elements which are applied to the surface of objects for protection from forgery, characterized by the following steps:
    providing a plastic carrier foil possibly bearing a separation layer,
    applying a layer semitransparent in the visual spectral region,
    applying a magnetic layer,
    applying an adhesive layer.
EP98942617A 1997-07-24 1998-07-24 Safety document Expired - Lifetime EP0998396B2 (en)

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DE19731968A DE19731968A1 (en) 1997-07-24 1997-07-24 Security document
DE19731968 1997-07-24
PCT/EP1998/004645 WO1999004983A1 (en) 1997-07-24 1998-07-24 Safety document

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JP (1) JP2001510754A (en)
CN (1) CN1099968C (en)
AT (1) ATE211076T1 (en)
AU (1) AU9068898A (en)
DE (2) DE19731968A1 (en)
ES (1) ES2165700T5 (en)
ID (1) ID28306A (en)
PT (1) PT998396E (en)
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Also Published As

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RU2193975C2 (en) 2002-12-10
ID28306A (en) 2001-05-10
ATE211076T1 (en) 2002-01-15
UA46909C2 (en) 2002-06-17
SI0998396T2 (en) 2007-04-30
SI0998396T1 (en) 2002-06-30
PT998396E (en) 2002-06-28
CN1264340A (en) 2000-08-23
EP0998396A1 (en) 2000-05-10
CN1099968C (en) 2003-01-29
ES2165700T5 (en) 2007-04-16
EP0998396B2 (en) 2006-11-15
JP2001510754A (en) 2001-08-07
DE59802554D1 (en) 2002-01-31
WO1999004983A1 (en) 1999-02-04
ES2165700T3 (en) 2002-03-16
DE19731968A1 (en) 1999-01-28
US6491324B1 (en) 2002-12-10
AU9068898A (en) 1999-02-16

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