DK1775142T3 - Diffraktiv optisk sikkerhedsindretning - Google Patents

Diffraktiv optisk sikkerhedsindretning

Info

Publication number
DK1775142T3
DK1775142T3 DK05405557.9T DK05405557T DK1775142T3 DK 1775142 T3 DK1775142 T3 DK 1775142T3 DK 05405557 T DK05405557 T DK 05405557T DK 1775142 T3 DK1775142 T3 DK 1775142T3
Authority
DK
Denmark
Prior art keywords
color filter
diffractive
diffractive color
security device
diffractive optical
Prior art date
Application number
DK05405557.9T
Other languages
English (en)
Inventor
Alexander Stuck
Marc Schnieper
Harald Walter
Original Assignee
Suisse Electronique Microtech
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 Suisse Electronique Microtech filed Critical Suisse Electronique Microtech
Application granted granted Critical
Publication of DK1775142T3 publication Critical patent/DK1775142T3/da

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/203—Filters having holographic or diffractive elements
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Burglar Alarm Systems (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Filters (AREA)
DK05405557.9T 2005-09-26 2005-09-26 Diffraktiv optisk sikkerhedsindretning DK1775142T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05405557A EP1775142B1 (en) 2005-09-26 2005-09-26 Diffractive optical security device

Publications (1)

Publication Number Publication Date
DK1775142T3 true DK1775142T3 (da) 2011-05-02

Family

ID=35355109

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05405557.9T DK1775142T3 (da) 2005-09-26 2005-09-26 Diffraktiv optisk sikkerhedsindretning

Country Status (5)

Country Link
US (1) US7787182B2 (da)
EP (1) EP1775142B1 (da)
AT (1) ATE495026T1 (da)
DE (1) DE602005025879D1 (da)
DK (1) DK1775142T3 (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE495026T1 (de) 2005-09-26 2011-01-15 Suisse Electronique Microtech Ein diffraktives sicherheitselement
US8133638B2 (en) * 2006-05-30 2012-03-13 Brady Worldwide, Inc. All-polymer grating microstructure
EP1998193A1 (en) * 2006-05-31 2008-12-03 CSEM Centre Suisse d'Electronique et de Microtechnique SA Nano-structured Zero-order diffractive filter
US8542442B2 (en) 2007-05-07 2013-09-24 Centre Suisse d'Electronique et de Microtechnique SA—Recherche et Developpement Isotropic zero-order diffractive filter
RU2456647C2 (ru) * 2007-09-20 2012-07-20 Топпан Принтинг Ко., Лтд. Оптическое устройство, ламинат и маркированное изделие
DE102009056933A1 (de) 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement mit Farbfilter, Wertdokument mit so einem solchen Sicherheitselement sowie Herstellungsverfahren eines solchen Sicherheitselementes
WO2012019226A1 (en) * 2010-08-11 2012-02-16 Securency International Pty Ltd Optically variable device
EP2447744B1 (en) * 2010-11-01 2021-03-31 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Pixelated optical filter and method for the manufacturing thereof
DE102011101635A1 (de) * 2011-05-16 2012-11-22 Giesecke & Devrient Gmbh Zweidimensional periodisches, farbfilterndes Gitter
US8716053B2 (en) * 2012-02-16 2014-05-06 E I Du Pont De Nemours And Company Moisture barrier for photovoltaic cells
FI125270B (en) * 2012-09-20 2015-08-14 Teknologian Tutkimuskeskus Vtt Oy Optical device with diffractive grating
DE102012110630A1 (de) 2012-11-06 2014-05-08 Ovd Kinegram Ag Mehrschichtkörper sowie Verfahren zur Herstellung eines Sicherheitselements
FR3013258B1 (fr) 2013-11-19 2016-02-19 Hologram Ind Document personnalisable pour la fabrication d’un document de securite, document de securite personnalise et fabrication d’un tel document de securite
US11126902B2 (en) 2014-06-03 2021-09-21 IE-9 Technology Corp. Optically variable data storage device
US9489604B2 (en) 2014-06-03 2016-11-08 IE-9 Technology Corp. Optically variable data storage device
DE102015100520A1 (de) * 2015-01-14 2016-07-28 Leonhard Kurz Stiftung & Co. Kg Mehrschichtkörper und Verfahren zu dessen Herstellung
US10591654B2 (en) * 2015-05-21 2020-03-17 Board Of Regents, The University Of Texas System Ultra-sparse dielectric resonant polarizers and associated methods
US10281626B2 (en) 2015-07-25 2019-05-07 NanoMedia Solutions Inc. Color image display devices comprising structural color pixels that are selectively activated and/or deactivated by material deposition
EP3205512B1 (en) 2016-02-09 2018-06-13 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Optical security device
CN109716176B (zh) * 2016-06-07 2021-09-17 艾瑞3D 有限公司 用于深度采集和三维成像的光场成像装置和方法
US10613268B1 (en) 2017-03-07 2020-04-07 Facebook Technologies, Llc High refractive index gratings for waveguide displays manufactured by self-aligned stacked process
DE102020000732A1 (de) 2020-02-04 2021-08-05 Giesecke+Devrient Currency Technology Gmbh Optisch variables Sicherheitselement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484797A (en) * 1981-07-20 1984-11-27 Rca Corporation Diffractive subtractive color filter responsive to angle of incidence of polychromatic illuminating light
US4705356A (en) * 1984-07-13 1987-11-10 Optical Coating Laboratory, Inc. Thin film optical variable article having substantial color shift with angle and method
DE4404128A1 (de) * 1993-02-19 1994-08-25 Gao Ges Automation Org Sicherheitsdokument und Verfahren zu seiner Herstellung
GB0015873D0 (en) * 2000-06-28 2000-08-23 Rue De Int Ltd Optically variable security device
DE50212303D1 (de) 2002-01-18 2008-07-03 Ovd Kinegram Ag Diffraktives sicherheitselement mit integriertem optischen wellenleiter
EP2591922B2 (en) * 2002-04-03 2022-11-09 De La Rue International Limited Optically variable security device and method
GB0417422D0 (en) * 2004-08-05 2004-09-08 Suisse Electronique Microtech Security device
ATE495026T1 (de) 2005-09-26 2011-01-15 Suisse Electronique Microtech Ein diffraktives sicherheitselement

Also Published As

Publication number Publication date
US7787182B2 (en) 2010-08-31
ATE495026T1 (de) 2011-01-15
US20070081246A1 (en) 2007-04-12
EP1775142A1 (en) 2007-04-18
EP1775142B1 (en) 2011-01-12
DE602005025879D1 (de) 2011-02-24

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