CA2599246C - Surfaces de diffraction avec arriere-plans a changement de couleur - Google Patents

Surfaces de diffraction avec arriere-plans a changement de couleur Download PDF

Info

Publication number: CA2599246C
Authority: CA; Canada
Prior art keywords: layer; security article; substrate; color shifting; color
Prior art date: 2000-04-21
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 - Lifetime

Application number

CA2599246A

Other languages

English (en)

Other versions

CA2599246A1 (fr

Inventor

Roger Phillips

Richard L. Bonkowski

Patrick K. Higgins

Charles T. Markantes

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.)

Viavi Solutions Inc

Original Assignee

JDS Uniphase Corp

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.)

2000-04-21

Filing date

2000-04-21

Publication date

2011-03-15

2000-04-21 Application filed by JDS Uniphase Corp filed Critical JDS Uniphase Corp

2000-04-21 Priority to CA2599246A priority Critical patent/CA2599246C/fr

2000-04-21 Priority claimed from CA2378502A external-priority patent/CA2378502C/fr

2001-01-18 Publication of CA2599246A1 publication Critical patent/CA2599246A1/fr

2011-03-15 Application granted granted Critical

2011-03-15 Publication of CA2599246C publication Critical patent/CA2599246C/fr

2020-04-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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229910052735 hafnium Inorganic materials 0.000 description 1
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AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 1
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PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 1
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SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 1
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YEAUATLBSVJFOY-UHFFFAOYSA-N tetraantimony hexaoxide Chemical compound O1[Sb](O2)O[Sb]3O[Sb]1O[Sb]2O3 YEAUATLBSVJFOY-UHFFFAOYSA-N 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
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239000011135 tin Substances 0.000 description 1
229910001887 tin oxide Inorganic materials 0.000 description 1
239000012780 transparent material Substances 0.000 description 1
BYMUNNMMXKDFEZ-UHFFFAOYSA-K trifluorolanthanum Chemical compound F[La](F)F BYMUNNMMXKDFEZ-UHFFFAOYSA-K 0.000 description 1
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Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
- G02B5/286—Interference filters comprising deposited thin solid films having four or fewer layers, e.g. for achieving a colour effect
- 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
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D2035/24—

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Business, Economics & Management (AREA)
Accounting & Taxation (AREA)
Finance (AREA)
Credit Cards Or The Like (AREA)
Laminated Bodies (AREA)

CA2599246A 2000-04-21 2000-04-21 Surfaces de diffraction avec arriere-plans a changement de couleur Expired - Lifetime CA2599246C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA2599246A CA2599246C (fr)	2000-04-21	2000-04-21	Surfaces de diffraction avec arriere-plans a changement de couleur

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CA2599246A CA2599246C (fr)	2000-04-21	2000-04-21	Surfaces de diffraction avec arriere-plans a changement de couleur
CA2378502A CA2378502C (fr)	1999-07-08	2000-04-21	Surfaces de diffraction avec arriere-plans a changement de couleur

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2378502A Division CA2378502C (fr)	1999-07-08	2000-04-21	Surfaces de diffraction avec arriere-plans a changement de couleur

Publications (2)

Publication Number	Publication Date
CA2599246A1 CA2599246A1 (fr)	2001-01-18
CA2599246C true CA2599246C (fr)	2011-03-15

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Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2599246A Expired - Lifetime CA2599246C (fr)	2000-04-21	2000-04-21	Surfaces de diffraction avec arriere-plans a changement de couleur

Country Status (1)

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CA (1)	CA2599246C (fr)

2000
- 2000-04-21 CA CA2599246A patent/CA2599246C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2599246A1 (fr)	2001-01-18

Legal Events

Date	Code	Title	Description
2007-09-12	EEER	Examination request
2020-06-23	MKEX	Expiry	Effective date: 20200421

Publication	Publication Date	Title
AU770682B2 (en)	2004-02-26	Diffractive surfaces with color shifting backgrounds
EP1849620B1 (fr)	2016-03-23	Dispositifs de sécurité optiquement variables
DK1664939T3 (en)	2019-03-25	Patterned reflective optical microstructures
AU2001211949A1 (en)	2001-10-11	Optically variable security devices
CA2599246C (fr)	2011-03-15	Surfaces de diffraction avec arriere-plans a changement de couleur
CA2604098C (fr)	2010-12-21	Dispositifs de securite variables du point de vue optique
AU2005200844B2 (en)	2006-04-06	Optically variable security devices
HK40004611A (en)	2020-04-29	Patterned reflective optical structures