CA2604098C - Dispositifs de securite variables du point de vue optique - Google Patents

Dispositifs de securite variables du point de vue optique Download PDF

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Publication number
CA2604098C
CA2604098C CA2604098A CA2604098A CA2604098C CA 2604098 C CA2604098 C CA 2604098C CA 2604098 A CA2604098 A CA 2604098A CA 2604098 A CA2604098 A CA 2604098A CA 2604098 C CA2604098 C CA 2604098C
Authority
CA
Canada
Prior art keywords
security article
optical
oxide
security
layer
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 - Lifetime
Application number
CA2604098A
Other languages
English (en)
Other versions
CA2604098A1 (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.)
Filing date
Publication date
Application filed by JDS Uniphase Corp filed Critical JDS Uniphase Corp
Priority claimed from CA002397806A external-priority patent/CA2397806C/fr
Publication of CA2604098A1 publication Critical patent/CA2604098A1/fr
Application granted granted Critical
Publication of CA2604098C publication Critical patent/CA2604098C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Polarising Elements (AREA)
CA2604098A 2000-01-21 2000-10-10 Dispositifs de securite variables du point de vue optique Expired - Lifetime CA2604098C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US48925000A 2000-01-21 2000-01-21
US09/489,250 2000-01-21
CA002397806A CA2397806C (fr) 2000-01-21 2000-10-10 Dispositifs de securite variables du point de vue optique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002397806A Division CA2397806C (fr) 2000-01-21 2000-10-10 Dispositifs de securite variables du point de vue optique

Publications (2)

Publication Number Publication Date
CA2604098A1 CA2604098A1 (fr) 2001-07-26
CA2604098C true CA2604098C (fr) 2010-12-21

Family

ID=38878526

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2604093A Expired - Lifetime CA2604093C (fr) 2000-01-21 2000-10-10 Article de securite pourvu d'un motif holographique ou diffractant
CA2604098A Expired - Lifetime CA2604098C (fr) 2000-01-21 2000-10-10 Dispositifs de securite variables du point de vue optique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2604093A Expired - Lifetime CA2604093C (fr) 2000-01-21 2000-10-10 Article de securite pourvu d'un motif holographique ou diffractant

Country Status (1)

Country Link
CA (2) CA2604093C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2580321C (fr) * 2006-03-06 2014-11-04 Jds Uniphase Corporation Dispositifs de securite comprenant un adhesif a couleur changeante

Also Published As

Publication number Publication date
CA2604093C (fr) 2010-05-04
CA2604093A1 (fr) 2001-07-26
CA2604098A1 (fr) 2001-07-26

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Legal Events

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Effective date: 20201013