GB201801104D0 - Security device and methods of manufacture thereof - Google Patents

Security device and methods of manufacture thereof

Info

Publication number
GB201801104D0
GB201801104D0 GBGB1801104.9A GB201801104A GB201801104D0 GB 201801104 D0 GB201801104 D0 GB 201801104D0 GB 201801104 A GB201801104 A GB 201801104A GB 201801104 D0 GB201801104 D0 GB 201801104D0
Authority
GB
United Kingdom
Prior art keywords
manufacture
methods
security device
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.)
Withdrawn
Application number
GBGB1801104.9A
Other versions
GB2572938A (en
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.)
De la Rue International Ltd
Original Assignee
De la Rue International 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 De la Rue International Ltd filed Critical De la Rue International Ltd
Priority to GB1801104.9A priority Critical patent/GB2572938A/en
Publication of GB201801104D0 publication Critical patent/GB201801104D0/en
Priority to PCT/GB2019/050156 priority patent/WO2019145691A1/en
Publication of GB2572938A publication Critical patent/GB2572938A/en
Withdrawn legal-status Critical Current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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • 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
    • B42D25/378—Special inks
    • B42D25/391—Special inks absorbing or reflecting polarised light
    • 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
    • B42D25/40—Manufacture
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
GB1801104.9A 2018-01-23 2018-01-23 Security device and methods of manufacture thereof Withdrawn GB2572938A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1801104.9A GB2572938A (en) 2018-01-23 2018-01-23 Security device and methods of manufacture thereof
PCT/GB2019/050156 WO2019145691A1 (en) 2018-01-23 2019-01-21 Security device and methods of manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1801104.9A GB2572938A (en) 2018-01-23 2018-01-23 Security device and methods of manufacture thereof

Publications (2)

Publication Number Publication Date
GB201801104D0 true GB201801104D0 (en) 2018-03-07
GB2572938A GB2572938A (en) 2019-10-23

Family

ID=61283489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1801104.9A Withdrawn GB2572938A (en) 2018-01-23 2018-01-23 Security device and methods of manufacture thereof

Country Status (2)

Country Link
GB (1) GB2572938A (en)
WO (1) WO2019145691A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1163765C (en) * 1997-05-09 2004-08-25 罗利克有限公司 Optical element
JP5516065B2 (en) * 2010-05-21 2014-06-11 凸版印刷株式会社 Authenticity judgment method
JP5671295B2 (en) * 2010-10-14 2015-02-18 富士フイルム株式会社 Article with latent image
JP2014071155A (en) * 2012-09-27 2014-04-21 Fujifilm Corp Polarization film and birefringence article with polarization film stuck thereto
CN107428193A (en) * 2015-03-06 2017-12-01 Ccl证券私人有限公司 Hidden image safety device and method

Also Published As

Publication number Publication date
WO2019145691A1 (en) 2019-08-01
GB2572938A (en) 2019-10-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)