GB2457911B - Improved method for producing an optically varible security device - Google Patents
Improved method for producing an optically varible security deviceInfo
- Publication number
- GB2457911B GB2457911B GB0803622A GB0803622A GB2457911B GB 2457911 B GB2457911 B GB 2457911B GB 0803622 A GB0803622 A GB 0803622A GB 0803622 A GB0803622 A GB 0803622A GB 2457911 B GB2457911 B GB 2457911B
- Authority
- GB
- United Kingdom
- Prior art keywords
- varible
- optically
- producing
- security device
- improved method
- 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
Links
Classifications
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- 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
- 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
- B42D25/405—Marking
- B42D25/415—Marking using chemicals
-
- B42D15/0013—
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- B42D15/0026—
-
- B42D15/10—
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- 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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/23—Identity cards
-
- 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
- B42D25/24—Passports
-
- 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
- B42D25/355—Security threads
-
- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
-
- 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
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
-
- B42D2031/06—
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- B42D2031/16—
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- B42D2033/10—
-
- B42D2033/16—
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- B42D2033/18—
-
- B42D2033/20—
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- B42D2033/26—
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- B42D2035/06—
-
- B42D2035/08—
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- B42D2037/06—
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Credit Cards Or The Like (AREA)
- Liquid Crystal (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0803622A GB2457911B (en) | 2008-02-27 | 2008-02-27 | Improved method for producing an optically varible security device |
DE102009010770A DE102009010770A1 (en) | 2008-02-27 | 2009-02-26 | Improved process for making an optically variable security device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0803622A GB2457911B (en) | 2008-02-27 | 2008-02-27 | Improved method for producing an optically varible security device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0803622D0 GB0803622D0 (en) | 2008-04-02 |
GB2457911A GB2457911A (en) | 2009-09-02 |
GB2457911B true GB2457911B (en) | 2010-05-12 |
Family
ID=39284688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0803622A Expired - Fee Related GB2457911B (en) | 2008-02-27 | 2008-02-27 | Improved method for producing an optically varible security device |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102009010770A1 (en) |
GB (1) | GB2457911B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2498725T3 (en) | 2009-12-08 | 2014-09-25 | Sicpa Holding Sa | Modified labeling based on polymers of chiral liquid crystals |
RS53865B1 (en) | 2009-12-08 | 2015-08-31 | Sicpa Holding Sa | Marking based on chiral liquid crystal polymers |
MX2012006156A (en) | 2009-12-08 | 2012-07-10 | Sicpa Holding Sa | Marking based on modified chiral liquid crystal polymers. |
KR20120104989A (en) | 2009-12-08 | 2012-09-24 | 시크파 홀딩 에스.에이. | Chiral liquid crystal polymer marking |
JP5954840B2 (en) | 2010-12-07 | 2016-07-20 | シクパ ホルディング ソシエテ アノニムSicpa Holding Sa | Composite marking based on chiral liquid crystal precursors |
JP2014502376A (en) | 2010-12-07 | 2014-01-30 | シクパ ホールディング エスアー | Simple control of color shift characteristics of chiral liquid crystal polymers |
CN107038950A (en) * | 2017-06-07 | 2017-08-11 | 公安部第研究所 | A kind of color-changing anti-counterfeit mark |
GB2578117B (en) * | 2018-10-16 | 2021-06-09 | De La Rue Int Ltd | Security devices and methods for their manufacture |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6421107B1 (en) * | 1999-07-02 | 2002-07-16 | Merck Patent Gesellaschaft | Process of preparing a multilayer cholesteric film II |
EP1295929A2 (en) * | 2001-09-25 | 2003-03-26 | MERCK PATENT GmbH | Anisotropic polymer film |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU488652B2 (en) | 1973-09-26 | 1976-04-01 | Commonwealth Scientific And Industrial Research Organisation | Improvements in or relating to security tokens |
IN157644B (en) | 1981-02-19 | 1986-05-10 | Portals Ltd | |
CA1273791A (en) | 1987-03-17 | 1990-09-11 | David M. Makow | Display forms using liquid crystals |
DE3942663A1 (en) | 1989-12-22 | 1991-06-27 | Gao Ges Automation Org | DATA CARRIER WITH A LIQUID CRYSTAL SECURITY ELEMENT |
DE4041025C2 (en) | 1990-12-20 | 2003-04-17 | Gao Ges Automation Org | Magnetic, metallic security thread with negative writing |
DE4314380B4 (en) | 1993-05-01 | 2009-08-06 | Giesecke & Devrient Gmbh | Security paper and process for its production |
DE19650759A1 (en) | 1996-12-06 | 1998-06-10 | Giesecke & Devrient Gmbh | Security element |
UA52804C2 (en) | 1997-12-02 | 2003-01-15 | Текнікал Графікс Сек'Юріті Продактс, Ллс | Device for protecting documents by using magnetic and metallic protective elements (variants); method for producing the protection device (variants); method for identifying documents |
EP0982605A1 (en) | 1998-08-26 | 2000-03-01 | MERCK PATENT GmbH | Reflective film |
US6459847B1 (en) | 1998-12-07 | 2002-10-01 | Koninklijke Philips Electronics N.V. | Patterned layer of a polymer material having a cholesteric order |
GB9828770D0 (en) | 1998-12-29 | 1999-02-17 | Rue De Int Ltd | Security paper |
DE19907697A1 (en) | 1999-02-23 | 2000-08-24 | Giesecke & Devrient Gmbh | Security element with optically variable material for documents of value additionally comprises at least one machine readable distinguishing material which does not impair the effect of the optically variable material |
DE10163381A1 (en) | 2001-12-21 | 2003-07-03 | Giesecke & Devrient Gmbh | Security paper and method and device for its production |
GB0201767D0 (en) | 2002-01-25 | 2002-03-13 | Rue De Int Ltd | Improvements in methods of manufacturing substrates |
GB0209564D0 (en) | 2002-04-25 | 2002-06-05 | Rue De Int Ltd | Improvements in substrates |
GB2388377B (en) | 2002-05-09 | 2004-07-28 | Rue De Int Ltd | A paper sheet incorporating a security element and a method of making the same |
DE10333746B4 (en) | 2003-07-23 | 2009-04-09 | Forschungszentrum Jülich GmbH | MRI method with keyhole technique |
DE102004021246A1 (en) | 2004-04-30 | 2005-11-24 | Giesecke & Devrient Gmbh | Security element and method for its production |
GB2438383B (en) | 2006-05-26 | 2008-10-08 | Rue De Int Ltd | Improvements in substrates |
GB2438384B (en) | 2006-05-26 | 2008-10-29 | Rue De Int Ltd | Improvements in forming security devices |
-
2008
- 2008-02-27 GB GB0803622A patent/GB2457911B/en not_active Expired - Fee Related
-
2009
- 2009-02-26 DE DE102009010770A patent/DE102009010770A1/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6421107B1 (en) * | 1999-07-02 | 2002-07-16 | Merck Patent Gesellaschaft | Process of preparing a multilayer cholesteric film II |
EP1295929A2 (en) * | 2001-09-25 | 2003-03-26 | MERCK PATENT GmbH | Anisotropic polymer film |
Also Published As
Publication number | Publication date |
---|---|
GB0803622D0 (en) | 2008-04-02 |
GB2457911A (en) | 2009-09-02 |
DE102009010770A1 (en) | 2009-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120227 |