EP0377160A1 - Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement - Google Patents

Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement Download PDF

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Publication number
EP0377160A1
EP0377160A1 EP89123286A EP89123286A EP0377160A1 EP 0377160 A1 EP0377160 A1 EP 0377160A1 EP 89123286 A EP89123286 A EP 89123286A EP 89123286 A EP89123286 A EP 89123286A EP 0377160 A1 EP0377160 A1 EP 0377160A1
Authority
EP
European Patent Office
Prior art keywords
security document
layer
electrically conductive
document according
security
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.)
Granted
Application number
EP89123286A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0377160B1 (de
Inventor
Wittich Kaule
Wilhelm Ilgmann
Gerhard Schwenk
Gerhard Stenzel
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.)
GAO Gesellschaft fuer Automation und Organisation mbH
Original Assignee
GAO Gesellschaft fuer Automation und Organisation mbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GAO Gesellschaft fuer Automation und Organisation mbH filed Critical GAO Gesellschaft fuer Automation und Organisation mbH
Publication of EP0377160A1 publication Critical patent/EP0377160A1/de
Application granted granted Critical
Publication of EP0377160B1 publication Critical patent/EP0377160B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/02—Testing electrical properties of the materials thereof
    • G07D7/023—Measuring conductivity by direct contact
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Definitions

  • the invention relates to a security document with an embedded security element in the form of a thread or tape, consisting of a carrier film made of preferably plastic material and a metallic coating.
  • security threads It is known to protect security documents, in particular securities, banknotes, identity cards or the like, by embedding so-called security threads against unauthorized copying.
  • This embedding in the paper mass of a banknote represents a major obstacle for counterfeiters, since such embedding is only possible in the context of paper production, but not subsequently.
  • security threads are used which are characterized by special properties and which can be checked for authenticity by machine and / or visually in the embedded state.
  • a common test criterion is e.g. B. electrical conductivity.
  • CH-PS 472 081 it is known e.g. B. known to provide banknotes with metal threads that can be checked for electrical conductivity or their behavior on X-rays.
  • these metal threads are relatively inflexible and break easily in daily use. The electrical conductivity can thus only be measured in partial areas, but no longer across the entire banknote width.
  • the object of the invention is therefore to create a security document with a security thread embedded therein, which is the authenticity of the paper. co-determining, predetermined electrical conductivity, which is retained over the entire length of the thread even under tensile loads, such as occur when embedded in security papers.
  • the metallic coating with its particularly high electrical conductivity is supplemented by a second conductive layer.
  • This second layer does not have to reach the high conductivity values of the metallic layer, but it should maintain the electrical conductivity after stretching, bending or similar mechanical stress, so that such mechanical stresses on the carrier material and the metallic coatings do not immediately completely interrupt the electrical Create connection.
  • Suitable materials for this second electrically conductive layer are e.g. B. soot particles or other electrically conductive pigments, which in a plastic, a lacquer layer, a varnish or, as later in a special embodiment example shown, can also be present in an adhesive layer.
  • This layer like the metallic layer, can be made extremely thin, so that the thread - without becoming too thick for embedding in paper - can be provided with further layers which can contain other substances serving for authenticity.
  • the thread is preferably constructed such that the metallic coating covers the electrically conductive, pigmented layer on the outside. Due to its reflective properties, this thread is not visible after it has been embedded in paper and when viewed in incident light, since the scattered light penetrating through the paper layer is scattered back through the paper layer in the same way. The thread can therefore also be embedded in the printed image area of the banknote without problems, without interfering with its appearance. The cracks through which the dark pigmented layer underneath is theoretically visible are so small that they cannot be seen with the naked eye. The thread can only be recognized as such in transmitted light.
  • two correspondingly thinner carrier films are used for the construction of the thread, which are coated on the inner surfaces of the finished thread with the metallic coating and the second electrically conductive layer. These two foils are then connected to each other by an adhesive layer and then - cut into threads - embedded in the document.
  • the metal layer, including the electrically conductive second layer, is adequately protected against mechanical loads by the outer plastic films.
  • This film strip also has no tendency to curl because of its symmetrical structure or shows no garland effect, which is extremely disruptive when processing the thread and in particular when embedding it in the paper web.
  • a security thread 1 in cross section with a carrier film 2 made of a tear-resistant plastic, preferably polyester, which in the exemplary embodiment shown here is coated on both sides with electrically conductive, metallic layer materials 3 and 4.
  • These metallic layers are preferably vapor-deposited aluminum, nickel or chrome layers.
  • lacquer layers 5 and 6 respectively, which are coated with electrically conductive pigments, e.g. B. soot particles are offset. Due to the two-sided outer arrangement of the metal coatings 3 and 4, the thread has reflective properties and in this form - completely embedded in paper - is only visible in transmitted light.
  • the carrier film can also be provided on one side only with a metal layer and the electrically conductive auxiliary layer.
  • FIG. 2 shows a special variant in which two carrier foils 7, 8 are used for thread production, the thickness of which is chosen to be correspondingly smaller. Both foils are provided on one side with a metallic coating 9, 10 in that the foils are vapor-coated with aluminum, nickel, chromium or another metal before they are assembled. Other processes for metallizing plastic films can also be used here (hot stamping processes, sputtering, etc.).
  • This adhesive layer 11 also electrically connects the two metal coatings (9, 10) to one another, as a result of which interruptions in one metal layer, which have arisen, for example, due to defects in production, coating, etc., by the opposite Metal coating and the electrical connection via the adhesive layer are compensated in an excellent manner, and such manufacturing errors only contribute to a reduction in the electrical conductivity, but not to a complete interruption of the electrical connection along the thread length.
  • the electrically conductive pigments can also be applied together with other pigments, which also serve to identify authenticity (magnetic pigments, etc.), in a separate lacquer layer in or on the thread.
  • the layers containing the feature substance are preferably enclosed in a symmetrical structure between two plastic films.
  • Such a structure is shown in Fig. 3, wherein the outer transparent plastic films 12, 13 can again consist of polyester. These polyester films are provided on their inner surfaces with a metal coating 14, 15 (aluminum, nickel, chromium, etc.), each of which is followed by a pigmented lacquer layer 16 or 17.
  • These pigmented lacquer layers contain e.g. B. magnetic pigments and soot particles.
  • the two carrier films coated in this way are connected to one another via a laminating adhesive layer 18.
  • electrically conductive foils can also be used come. Such films are such. B. plastic films that are either permeated with an electrically conductive pigment or already have electrically conductive properties due to their molecular structure. These foils are then only to be provided with the metallic coating in order to obtain the desired effect of the high electrical conductivity and the shiny metallic surface, through which the thread is only visible in transmitted light after being embedded in paper.
  • the security thread can additionally be printed or coated with a micro script or with luminescent substances, the outer plastic film, as shown in FIGS. 2 and 3, being particularly suitable for the subsequent application of a microprinted image because of its better printability compared to a metal coating Use of luminescent printing inks, if appropriate.
EP89123286A 1988-12-21 1989-12-15 Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement Expired - Lifetime EP0377160B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3843075 1988-12-21
DE3843075A DE3843075C2 (de) 1988-12-21 1988-12-21 Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement

Publications (2)

Publication Number Publication Date
EP0377160A1 true EP0377160A1 (de) 1990-07-11
EP0377160B1 EP0377160B1 (de) 1994-08-03

Family

ID=6369746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89123286A Expired - Lifetime EP0377160B1 (de) 1988-12-21 1989-12-15 Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement

Country Status (5)

Country Link
US (1) US5112672A (es)
EP (1) EP0377160B1 (es)
AT (1) ATE109578T1 (es)
DE (2) DE3843075C2 (es)
ES (1) ES2057083T3 (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992011142A1 (de) * 1990-12-20 1992-07-09 Gao Gesellschaft Fúr Automation Und Organisation Mbh Magnetischer, metallischer sicherheitsfaden mit negativschrift
AT403967B (de) * 1992-11-18 1998-07-27 Oesterr Nationalbank Dokument und folienaufbau zur herstellung eines dokumentes
WO2004111338A1 (de) * 2003-06-17 2004-12-23 Hueck Folien Ges.M.B.H Sicherheitselemente mit visuell erkennbaren und maschinenlesbaren merkmalen
EP1500521A2 (de) * 2003-07-22 2005-01-26 Hueck Folien Ges.m.b.H Sicherheitselemente mit maschinenlesbaren Merkmalen und Farbeffekten
CN109835084A (zh) * 2017-11-27 2019-06-04 吴宁飞 新型防伪材料在防伪支付及货币防伪、银行卡等上的应用

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3843077A1 (de) * 1988-12-21 1990-06-28 Gao Ges Automation Org Sicherheitselement in form von faeden oder baender zur einbettung in sicherheitsdokumente sowie verfahren zur herstellung und pruefung derselben
US5449200A (en) * 1993-06-08 1995-09-12 Domtar, Inc. Security paper with color mark
US5475205A (en) * 1994-06-22 1995-12-12 Scientific Games Inc. Document verification system
US5471039A (en) * 1994-06-22 1995-11-28 Panda Eng. Inc. Electronic validation machine for documents
US5599046A (en) * 1994-06-22 1997-02-04 Scientific Games Inc. Lottery ticket structure with circuit elements
IT1275558B (it) * 1995-07-14 1997-08-07 Mantegazza A Arti Grafici Foglio di sicurezza in particolare del tipo incorporante un elemento conduttore dell'elettricita'
DE19718916A1 (de) * 1997-04-25 1998-10-29 Whd Elektron Prueftech Gmbh Anwendung und Verfahren zur Prüfung von Kokumenten mit beugungsoptisch wirksamen Sicherheitsschichten
US5944927A (en) * 1997-05-29 1999-08-31 The Standard Register Company Security paper having an embedded security thread and a process for making the security paper
US5961152A (en) * 1997-05-29 1999-10-05 The Standard Register Company Security paper having an embedded and deformed security thread and a process for making the security paper
FR2771111B1 (fr) * 1997-11-20 1999-12-17 Arjo Wiggins Sa Document de securite comportant des particules magnetiques
UA52804C2 (uk) 1997-12-02 2003-01-15 Текнікал Графікс Сек'Юріті Продактс, Ллс Магнітний/металевий захисний пристрій (варіанти), спосіб його виготовлення (варіанти), спосіб встановлення його автентичності і металевий захисний пристрій
US6930606B2 (en) * 1997-12-02 2005-08-16 Crane & Co., Inc. Security device having multiple security detection features
NL1008929C2 (nl) * 1998-04-20 1999-10-21 Vhp Ugchelen Bv Uit papier vervaardigd substraat voorzien van een geïntegreerde schakeling.
US6118377A (en) * 1998-06-09 2000-09-12 Flex Products, Inc. Conductive security article with detector apparatus
US6031457A (en) * 1998-06-09 2000-02-29 Flex Products, Inc. Conductive security article and method of manufacture
DE19915440A1 (de) * 1998-06-16 2000-09-28 Whd Elektron Prueftech Gmbh Elektrisch leitender Merkmalsstoff
PL344862A1 (en) * 1998-06-16 2001-11-19 Whd Elektron Prueftech Gmbh Marking substances and security markings, method for integrating these into the pulp line and method for testing the same
DE19928060A1 (de) * 1999-06-15 2000-12-21 Whd Elektron Prueftech Gmbh Optisch variables Sicherheitsmerkmal und Verfahren zu seiner Herstellung
LU90424B1 (fr) * 1999-07-30 2006-06-08 Cabinet Erman S A R L Procédé de fabrication de repères de sécurité et repères de sécurité
WO2001026060A2 (en) 1999-10-07 2001-04-12 Technical Graphics Security Products, Llc Security device with foil camouflaged magnetic regions and methods of making same
KR100407247B1 (ko) * 2000-12-29 2003-11-28 한국조폐공사 유색문자 또는 문양을 갖는 은선의 제조방법 및 상기은선을 포함하는 보안 용지
AU2002306576A1 (en) * 2001-02-23 2002-09-12 Technical Graphics Security Products, Llc Security label having security element and method of making same
DE10111850C2 (de) * 2001-03-01 2003-07-17 Whd Elektron Prueftech Gmbh Sicherheitseinrichtung
DE10111847A1 (de) * 2001-03-01 2002-09-12 Whd Elektron Prueftech Gmbh Sicherheitsmerkmale
JP4813691B2 (ja) * 2001-06-06 2011-11-09 シチズン電子株式会社 発光ダイオード
DE10131153A1 (de) * 2001-06-28 2003-01-16 Giesecke & Devrient Gmbh Sicherheitselement
US7243951B2 (en) * 2003-08-19 2007-07-17 Technical Graphics, Inc. Durable security devices and security articles employing such devices
CN100342081C (zh) * 2004-06-30 2007-10-10 中国印钞造币总公司 用于提高纸张安全性的安全线
DE102016015559A1 (de) * 2016-12-27 2018-06-28 Giesecke+Devrient Currency Technology Gmbh Verfahren und Vorrichtung zum Detektieren eines Sicherheitsfadens in einem Wertdokument

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE2754267A1 (de) * 1976-12-07 1978-06-08 Portals Ltd Sicherheitspapier und verfahren zu seiner herstellung
FR2417401A1 (fr) * 1978-02-21 1979-09-14 Integrated Data Corp Instrument negociable protege contre la fraude
DE2909731A1 (de) * 1978-03-15 1979-09-20 Oesterr Nationalbank Papier, verfahren zur pruefung von papieren und vorrichtung zur durchfuehrung des pruefverfahrens

Family Cites Families (3)

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GB440421A (en) * 1934-06-23 1935-12-23 Stanley Beaumont Chamberlain Improvements in or relating to the manufacture of security documents such as bank-notes or paper therefor
CH472081A (de) * 1967-04-04 1969-04-30 Tschopp Peter Waren-, Billett- oder Geldwechselautomat
DE3446861A1 (de) * 1984-12-21 1986-07-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Sicherheitsdokument mit darin eingelagertem sicherheitsfaden und verfahren zur herstellung und echtheitspruefung des sicherheitsdokuments

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2754267A1 (de) * 1976-12-07 1978-06-08 Portals Ltd Sicherheitspapier und verfahren zu seiner herstellung
FR2417401A1 (fr) * 1978-02-21 1979-09-14 Integrated Data Corp Instrument negociable protege contre la fraude
DE2909731A1 (de) * 1978-03-15 1979-09-20 Oesterr Nationalbank Papier, verfahren zur pruefung von papieren und vorrichtung zur durchfuehrung des pruefverfahrens

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992011142A1 (de) * 1990-12-20 1992-07-09 Gao Gesellschaft Fúr Automation Und Organisation Mbh Magnetischer, metallischer sicherheitsfaden mit negativschrift
US5354099A (en) * 1990-12-20 1994-10-11 Gao Gesellschaft Fur Automation Und Organisation Mbh Magnetic metallic safeguarding thread with negative writing
US5599047A (en) * 1990-12-20 1997-02-04 Gao Gesellschaft Fur Automation Und Organisation Mbh Magnetic metallic safeguarding thread with negative writing and a method of making same
AT403967B (de) * 1992-11-18 1998-07-27 Oesterr Nationalbank Dokument und folienaufbau zur herstellung eines dokumentes
US6165592A (en) * 1992-11-18 2000-12-26 Oesterreichische Nationalbank Document with doped optical security attribute, layer composite for making same and test device for testing the document for authenticity
WO2004111338A1 (de) * 2003-06-17 2004-12-23 Hueck Folien Ges.M.B.H Sicherheitselemente mit visuell erkennbaren und maschinenlesbaren merkmalen
EP1500521A2 (de) * 2003-07-22 2005-01-26 Hueck Folien Ges.m.b.H Sicherheitselemente mit maschinenlesbaren Merkmalen und Farbeffekten
EP1500521A3 (de) * 2003-07-22 2010-10-13 Hueck Folien Ges.m.b.H Sicherheitselemente mit maschinenlesbaren Merkmalen und Farbeffekten
CN109835084A (zh) * 2017-11-27 2019-06-04 吴宁飞 新型防伪材料在防伪支付及货币防伪、银行卡等上的应用

Also Published As

Publication number Publication date
EP0377160B1 (de) 1994-08-03
ATE109578T1 (de) 1994-08-15
ES2057083T3 (es) 1994-10-16
DE58908147D1 (de) 1994-09-08
US5112672A (en) 1992-05-12
DE3843075A1 (de) 1990-07-05
DE3843075C2 (de) 2003-08-14

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