GB2403798B - Apparatus and methods for device quality evaluation - Google Patents

Apparatus and methods for device quality evaluation

Info

Publication number
GB2403798B
GB2403798B GB0315609A GB0315609A GB2403798B GB 2403798 B GB2403798 B GB 2403798B GB 0315609 A GB0315609 A GB 0315609A GB 0315609 A GB0315609 A GB 0315609A GB 2403798 B GB2403798 B GB 2403798B
Authority
GB
United Kingdom
Prior art keywords
methods
quality evaluation
device quality
evaluation
quality
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 - Fee Related
Application number
GB0315609A
Other versions
GB0315609D0 (en
GB2403798A (en
Inventor
David Roy Winterbottom
Ben Bowmaker
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.)
Ver Tec Security Systems Ltd
Original Assignee
Ver Tec Security Systems Ltd
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 Ver Tec Security Systems Ltd filed Critical Ver Tec Security Systems Ltd
Priority to GB0315609A priority Critical patent/GB2403798B/en
Publication of GB0315609D0 publication Critical patent/GB0315609D0/en
Publication of GB2403798A publication Critical patent/GB2403798A/en
Application granted granted Critical
Publication of GB2403798B publication Critical patent/GB2403798B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • 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
    • G07D7/003—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 using security elements
    • G07D7/0032—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 using security elements using holograms
    • G07D7/125—
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024—Hologram nature or properties
    • G03H1/0244—Surface relief holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0276—Replicating a master hologram without interference recording
    • G03H1/028—Replicating a master hologram without interference recording by embossing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • G03H1/182—Post-exposure processing, e.g. latensification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • G03H2001/187—Trimming process, i.e. macroscopically patterning the hologram
    • G03H2001/188—Demetallisation, i.e. removing the enhancing metallic layer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject
    • G03H2001/2247—Means for detecting or recording the holobject for testing the hologram or holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2270/00—Substrate bearing the hologram
    • G03H2270/20—Shape
    • G03H2270/23—Ribbon shaped, e.g. holographic foil

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Holo Graphy (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB0315609A 2003-07-03 2003-07-03 Apparatus and methods for device quality evaluation Expired - Fee Related GB2403798B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0315609A GB2403798B (en) 2003-07-03 2003-07-03 Apparatus and methods for device quality evaluation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0315609A GB2403798B (en) 2003-07-03 2003-07-03 Apparatus and methods for device quality evaluation

Publications (3)

Publication Number Publication Date
GB0315609D0 GB0315609D0 (en) 2003-08-13
GB2403798A GB2403798A (en) 2005-01-12
GB2403798B true GB2403798B (en) 2006-11-29

Family

ID=27741537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0315609A Expired - Fee Related GB2403798B (en) 2003-07-03 2003-07-03 Apparatus and methods for device quality evaluation

Country Status (1)

Country Link
GB (1) GB2403798B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006077446A2 (en) * 2005-01-21 2006-07-27 Ver-Tec Security Systems Limited Hologram imaging techniques and holograms
RU2009146067A (en) * 2007-05-14 2011-06-20 Интернэшнл Фронтьер Текнолоджи Лэборетери, Инк. (Jp) OBJECT FOR AUTHENTICATION CHECK, DEVICE FOR READING MICROSCOPES OF AUTHENTICITY CHECK AND METHOD FOR ASSESSING AUTHENTICITY
US9666008B2 (en) * 2009-09-01 2017-05-30 Opsec Security Group, Inc. Optically variable security device, and article employing same and method for verifying the authenticity of an article
EP3055839B1 (en) * 2013-10-11 2018-07-25 Sicpa Holding SA Hand-held device and method for authenticating a marking
EP3555811A2 (en) * 2016-12-16 2019-10-23 OVD Kinegram AG Verification of a security document
GB2588181B (en) * 2019-10-11 2023-02-15 De La Rue Int Ltd A method and apparatus for inspecting a light control layer for a security device
DE102020114980B4 (en) 2020-06-05 2021-12-30 Mühlbauer Gmbh & Co. Kg DEVICE AND SYSTEM FOR INSPECTING AT LEAST ONE DIFFACTIVE OPTICAL ELEMENT OF A DOCUMENT

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311130A (en) * 1992-02-25 1997-09-17 Oesterr Nationalbank Checking optical security features on bank notes
US5817205A (en) * 1990-02-01 1998-10-06 Giesecke & Devrient Gmbh Method and apparatus for making paper of value having an optically variable security element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5817205A (en) * 1990-02-01 1998-10-06 Giesecke & Devrient Gmbh Method and apparatus for making paper of value having an optically variable security element
GB2311130A (en) * 1992-02-25 1997-09-17 Oesterr Nationalbank Checking optical security features on bank notes

Also Published As

Publication number Publication date
GB0315609D0 (en) 2003-08-13
GB2403798A (en) 2005-01-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110703