WO2005074358A3 - Microreplication of transitory-image relief pattern based optically variable devices - Google Patents

Microreplication of transitory-image relief pattern based optically variable devices Download PDF

Info

Publication number
WO2005074358A3
WO2005074358A3 PCT/IB2005/050264 IB2005050264W WO2005074358A3 WO 2005074358 A3 WO2005074358 A3 WO 2005074358A3 IB 2005050264 W IB2005050264 W IB 2005050264W WO 2005074358 A3 WO2005074358 A3 WO 2005074358A3
Authority
WO
WIPO (PCT)
Prior art keywords
optically variable
relief pattern
microreplication
transitory
pattern based
Prior art date
Application number
PCT/IB2005/050264
Other languages
French (fr)
Other versions
WO2005074358A2 (en
Inventor
Ki Yit-Shun Leung
Original Assignee
Karmic Sarl
Ki Yit-Shun Leung
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 Karmic Sarl, Ki Yit-Shun Leung filed Critical Karmic Sarl
Priority to US10/588,291 priority Critical patent/US20070128748A1/en
Priority to AU2005211226A priority patent/AU2005211226A1/en
Priority to EP05702756A priority patent/EP1711347A2/en
Publication of WO2005074358A2 publication Critical patent/WO2005074358A2/en
Publication of WO2005074358A3 publication Critical patent/WO2005074358A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The invention concerns a method for the replication by hot-embossing, hot-stamping or plastic injection moulding of an optically variable transitory image relief pattern characterized by the use of a Silicon origination shim (1) fabricated through a micromachining process. The invention also comprises objects and structures obtained according to said method.
PCT/IB2005/050264 2004-02-06 2005-01-24 Microreplication of transitory-image relief pattern based optically variable devices WO2005074358A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/588,291 US20070128748A1 (en) 2004-02-06 2005-01-24 Microreplication of transitory-image relief pattern based optically variable devices
AU2005211226A AU2005211226A1 (en) 2004-02-06 2005-01-24 Microreplication of transitory-image relief pattern based optically variable devices
EP05702756A EP1711347A2 (en) 2004-02-06 2005-01-24 Microreplication of transitory-image relief pattern based optically variable devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CHPCT/CH2004/000070 2004-02-06
CH2004000070 2004-02-06

Publications (2)

Publication Number Publication Date
WO2005074358A2 WO2005074358A2 (en) 2005-08-18
WO2005074358A3 true WO2005074358A3 (en) 2006-09-21

Family

ID=34832039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/050264 WO2005074358A2 (en) 2004-02-06 2005-01-24 Microreplication of transitory-image relief pattern based optically variable devices

Country Status (3)

Country Link
EP (1) EP1711347A2 (en)
AU (1) AU2005211226A1 (en)
WO (1) WO2005074358A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061749A1 (en) 2005-12-21 2007-07-05 Giesecke & Devrient Gmbh Optically variable security element for making valuable objects safe has an achromatic reflecting micro-structure taking the form of a mosaic made from achromatic reflecting mosaic elements
CN105158835B (en) * 2015-07-20 2017-05-03 厦门大学 Optically-variable anti-counterfeit film based on single silicon material
FR3053281B1 (en) * 2016-06-30 2020-03-27 Banque De France PROCESS FOR PRODUCING A SECURITY DOCUMENT HAVING A BRIGHTNESS CONTRAST SIGN

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033059A (en) * 1972-07-06 1977-07-05 American Bank Note Company Documents of value including intaglio printed transitory images
GB2126949A (en) * 1982-09-15 1984-04-04 Rca Corp Diffractive authenticating device
EP0375833A1 (en) * 1988-12-12 1990-07-04 Landis & Gyr Technology Innovation AG Optically variable planar pattern
WO1991014281A1 (en) * 1990-03-16 1991-09-19 Westonbridge International Limited Etching method for obtaining at least one cavity in a substrate and substrate obtained by such method
WO1995022448A2 (en) * 1994-02-17 1995-08-24 Imperial Chemical Industries Plc Preparation of embossing shims
US5447335A (en) * 1990-11-22 1995-09-05 Thomas De La Rue Limited Security device and authenticatable item
US6296281B1 (en) * 1998-03-20 2001-10-02 De La Rue International Limited Latent image structure
US20020074795A1 (en) * 1999-08-09 2002-06-20 Ying-Tsung Diffractive anti-counterfeiting tag with naked-eye inspection and machine inspection

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033059A (en) * 1972-07-06 1977-07-05 American Bank Note Company Documents of value including intaglio printed transitory images
GB2126949A (en) * 1982-09-15 1984-04-04 Rca Corp Diffractive authenticating device
EP0375833A1 (en) * 1988-12-12 1990-07-04 Landis & Gyr Technology Innovation AG Optically variable planar pattern
WO1991014281A1 (en) * 1990-03-16 1991-09-19 Westonbridge International Limited Etching method for obtaining at least one cavity in a substrate and substrate obtained by such method
US5447335A (en) * 1990-11-22 1995-09-05 Thomas De La Rue Limited Security device and authenticatable item
WO1995022448A2 (en) * 1994-02-17 1995-08-24 Imperial Chemical Industries Plc Preparation of embossing shims
US6296281B1 (en) * 1998-03-20 2001-10-02 De La Rue International Limited Latent image structure
US20020074795A1 (en) * 1999-08-09 2002-06-20 Ying-Tsung Diffractive anti-counterfeiting tag with naked-eye inspection and machine inspection

Also Published As

Publication number Publication date
WO2005074358A2 (en) 2005-08-18
EP1711347A2 (en) 2006-10-18
AU2005211226A1 (en) 2005-08-18

Similar Documents

Publication Publication Date Title
HK1086071A1 (en) Manufacturing micro-structured elements
TW200604609A (en) Method for manufacturing a master, master, method for manufacturing optical elements and optical element
AU2001277455A1 (en) Method for producing a permanent demoulding layer by plasma polymerization on the surface of a moulded-part tool
WO2006047383A3 (en) Accomodating intraocular lens system and method
CA2497175A1 (en) Method and mold for making ophthalmic devices
WO2009083148A3 (en) Stamping tool for the creation of a microstructure
WO2002025323A3 (en) Etched micro lens and method and apparatus for fabricating
WO2009015226A3 (en) Accommodating intraocular lenses and methods of use
WO2003030245A3 (en) Method for assembly of complementary-shaped receptacle site and device microstructures
DE602004024585D1 (en) PRODUCTION METHOD
WO2009100869A3 (en) Security element and method for producing the same
WO2008011535A3 (en) Polishing pad having micro-grooves on the pad surface
EP1816518A3 (en) Mold for imprint, process for producing minute structure using the mold, and process for producing the mold
EP1811337A3 (en) Pattern forming method and pattern forming system
WO2005036271A3 (en) Systems and methods for fabricating microstructures by imaging a radiation sensitive layer sandwiched between outer layers, and microstructures fabricated thereby
WO2009083146A3 (en) Method for producing a microstructure
DK1437116T3 (en) Process for producing a multi-core cast article and device for making the same
WO2001074560A3 (en) Technique for microstructuring replication moulds
WO2010139342A8 (en) Lens and method for manufacturing same
WO2006086339A3 (en) Attachment of chitosan to surfaces using rehydration process
WO2009009208A3 (en) Patterning structures using deformable substrates
TW200704583A (en) Composition for forming mold
WO2004095251A3 (en) Touch sensor using light control
ATE538398T1 (en) SILICONE CONTACT LENSES WITH WRINKLED SURFACE
MY152857A (en) Surface mount optoelectronic component with lens

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

WWE Wipo information: entry into national phase

Ref document number: 2007128748

Country of ref document: US

Ref document number: 10588291

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

WWE Wipo information: entry into national phase

Ref document number: 2005211226

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2005702756

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2005211226

Country of ref document: AU

Date of ref document: 20050124

Kind code of ref document: A

WWP Wipo information: published in national office

Ref document number: 2005211226

Country of ref document: AU

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWP Wipo information: published in national office

Ref document number: 2005702756

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 10588291

Country of ref document: US