EP1281538A3 - Optisch variable Markierung - Google Patents

Optisch variable Markierung Download PDF

Info

Publication number
EP1281538A3
EP1281538A3 EP02012684A EP02012684A EP1281538A3 EP 1281538 A3 EP1281538 A3 EP 1281538A3 EP 02012684 A EP02012684 A EP 02012684A EP 02012684 A EP02012684 A EP 02012684A EP 1281538 A3 EP1281538 A3 EP 1281538A3
Authority
EP
European Patent Office
Prior art keywords
optically variable
layer
variable marking
marking
covered
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.)
Withdrawn
Application number
EP02012684A
Other languages
English (en)
French (fr)
Other versions
EP1281538A2 (de
Inventor
Matthias Dr. Kuntz
Reiner Delp
Rodney Riddle
John Patrick
Robert Hammond-Smith
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Priority to EP02012684A priority Critical patent/EP1281538A3/de
Publication of EP1281538A2 publication Critical patent/EP1281538A2/de
Publication of EP1281538A3 publication Critical patent/EP1281538A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • 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
    • 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
    • B42D25/328—Diffraction gratings; Holograms
    • 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
    • B42D25/333—Watermarks
    • B42D2033/26—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Liquid Crystal (AREA)
EP02012684A 2001-07-02 2002-06-07 Optisch variable Markierung Withdrawn EP1281538A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02012684A EP1281538A3 (de) 2001-07-02 2002-06-07 Optisch variable Markierung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01114895 2001-07-02
EP01114895 2001-07-02
EP02012684A EP1281538A3 (de) 2001-07-02 2002-06-07 Optisch variable Markierung

Publications (2)

Publication Number Publication Date
EP1281538A2 EP1281538A2 (de) 2003-02-05
EP1281538A3 true EP1281538A3 (de) 2004-01-28

Family

ID=26076620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02012684A Withdrawn EP1281538A3 (de) 2001-07-02 2002-06-07 Optisch variable Markierung

Country Status (1)

Country Link
EP (1) EP1281538A3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431050A3 (de) * 2002-12-19 2004-11-03 MERCK PATENT GmbH Lasermarkierungsverfahren eines Flüssigkristallfilms
GB0412979D0 (en) 2004-06-10 2004-07-14 Rue De Int Ltd Improvements in security devices
RU2008125199A (ru) 2005-11-22 2009-12-27 Мерк Патент ГмбХ (DE) Способ тепловой передачи жидкокристаллической пленки, используя элемент передачи
CN102947418B (zh) * 2010-04-20 2015-01-07 巴斯夫欧洲公司 具有线条纹理或指纹纹理的聚合膜
PL3178660T3 (pl) 2015-12-07 2019-07-31 Hueck Folien Ges.M.B.H Personalizowany element zabezpieczający
PL430543A1 (pl) 2019-07-10 2021-01-11 Polska Wytwórnia Papierów Wartościowych Spółka Akcyjna Nośnik danych oraz sposób wykonania nośnika danych

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0678400A1 (de) * 1994-03-25 1995-10-25 Giesecke & Devrient GmbH Vor unerlaubter Reproduktion mit einem Kopiergerät geschützte Ausweiskarte
US5678863A (en) * 1992-07-24 1997-10-21 Portals Limited High value documents

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3942663A1 (de) 1989-12-22 1991-06-27 Gao Ges Automation Org Datentraeger mit einem fluessigkristall-sicherheitselement
US5364557A (en) 1991-11-27 1994-11-15 Faris Sades M Aligned cholesteric liquid crystal inks
TW289095B (de) 1993-01-11 1996-10-21
WO1997035219A1 (en) 1996-03-19 1997-09-25 Merck Patent Gmbh Liquid crystal display device
JP2001509520A (ja) 1997-07-09 2001-07-24 レヴェオ・インコーポレーテッド 改善された輝度及び色特性を有するカラーリング媒体
EP0982605A1 (de) 1998-08-26 2000-03-01 MERCK PATENT GmbH Reflektierender Film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678863A (en) * 1992-07-24 1997-10-21 Portals Limited High value documents
EP0678400A1 (de) * 1994-03-25 1995-10-25 Giesecke & Devrient GmbH Vor unerlaubter Reproduktion mit einem Kopiergerät geschützte Ausweiskarte

Also Published As

Publication number Publication date
EP1281538A2 (de) 2003-02-05

Similar Documents

Publication Publication Date Title
MY153216A (en) Security element having a viewing-angle dependent aspect
CA2421101A1 (en) Data support with an optically variable element
WO2004113953A3 (de) Optisches sicherheitselement und system zur visualisierung von versteckten informationen
WO2002085642A3 (en) Birefringent marking
WO2003062341A3 (en) Articles and methods for applying color on surfaces
WO2003095657A3 (de) Optisch variables element
WO2005100041A3 (en) Retroreflective security features in secure documents
WO2002010806A1 (en) Reflection sheet and production method therefor, and display unit using it
AU3879500A (en) Techniques of printing micro-structure patterns such as holograms directly onto final documents or other substrates in discrete areas thereof
EP0997750A3 (de) Retroreflektierende Folie mit einem Bild zur Echtheitsprüfung und Verfahren zur ihrer Herstellung
WO2002013978A3 (en) Process for forming a reflective surface
CA2478499A1 (en) Elements for embossing and adhesive application
WO1996017263A3 (en) Transparent decorative article having an etched appearing/prismatic image thereon
MXPA02011663A (es) Sustrato con superficie ultrafobica, de dispersion de luz reducida y metodo para la produccion del mismo.
WO2003034104A8 (en) Diffusion film comprising transparent substrate and diffusion layer
WO2005062908A3 (en) Methods of making a pattern of optical element shapes on a roll for use in making optical elements on or in substrates
AU2001248951A1 (en) A substrate for and a process in connection with the product of structures
WO2003014779A1 (fr) Dispositif de retroreflexion
EP1245409A4 (de) Geschirrteil sowie verfahren zur behandlung seiner oberfläche, substrat mit harter deckfolie und verfahren zu seiner herstellung, und bestecke
EP2319452A3 (de) Implantat mit einer gewellten Aussenoberfläche
EP1081728A3 (de) Dekorierter Tastenkopf und Herstellungsverfahren
AU2002241810A1 (en) Method of patterning a mask on the surface of a substrate and product manufactured thereby
EP1271222A3 (de) Lichtreflektierende Platte und Herstellungsverfahren sowie Flüssigkristallanzeigevorrichtung und Herstellungsverfahren
EP1335217A3 (de) Doppelbrechende Beschichtung und ihre Verwendung
WO2002076764A3 (en) Sheet for forming graphics and graphics-displaying sheet

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20020607

AK Designated contracting states

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20090106