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DE3580208D1 - Mit veraenderlichen optischen eigenschaften versehener duennschichtgegenstand mit einer hohen winkelabhaengigen farbenveraenderung. - Google Patents

Mit veraenderlichen optischen eigenschaften versehener duennschichtgegenstand mit einer hohen winkelabhaengigen farbenveraenderung.

Info

Publication number
DE3580208D1
DE3580208D1 DE8585304865T DE3580208T DE3580208D1 DE 3580208 D1 DE3580208 D1 DE 3580208D1 DE 8585304865 T DE8585304865 T DE 8585304865T DE 3580208 T DE3580208 T DE 3580208T DE 3580208 D1 DE3580208 D1 DE 3580208D1
Authority
DE
Germany
Prior art keywords
optical properties
color change
various optical
high angle
dependent color
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
DE8585304865T
Other languages
English (en)
Inventor
Peter H Berning
Roger W Phillips
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.)
Flex Products Inc
Original Assignee
Flex Products Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24527075&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3580208(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Flex Products Inc filed Critical Flex Products Inc
Application granted granted Critical
Publication of DE3580208D1 publication Critical patent/DE3580208D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G02B5/288—Interference filters comprising deposited thin solid films comprising at least one thin film resonant cavity, e.g. in bandpass filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06046—Constructional details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S283/00—Printed matter
    • Y10S283/902—Anti-photocopy

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Filters (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Eyeglasses (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Electroluminescent Light Sources (AREA)
DE8585304865T 1984-07-13 1985-07-08 Mit veraenderlichen optischen eigenschaften versehener duennschichtgegenstand mit einer hohen winkelabhaengigen farbenveraenderung. Expired - Lifetime DE3580208D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/630,414 US4705356A (en) 1984-07-13 1984-07-13 Thin film optical variable article having substantial color shift with angle and method

Publications (1)

Publication Number Publication Date
DE3580208D1 true DE3580208D1 (de) 1990-11-29

Family

ID=24527075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304865T Expired - Lifetime DE3580208D1 (de) 1984-07-13 1985-07-08 Mit veraenderlichen optischen eigenschaften versehener duennschichtgegenstand mit einer hohen winkelabhaengigen farbenveraenderung.

Country Status (6)

Country Link
US (1) US4705356A (de)
EP (1) EP0170439B2 (de)
JP (1) JPH0769489B2 (de)
AT (1) ATE57770T1 (de)
CA (1) CA1253367A (de)
DE (1) DE3580208D1 (de)

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US4705356A (en) 1987-11-10
EP0170439B1 (de) 1990-10-24
JPH0769489B2 (ja) 1995-07-31
ATE57770T1 (de) 1990-11-15
EP0170439A1 (de) 1986-02-05
EP0170439B2 (de) 1995-04-05
JPS61105509A (ja) 1986-05-23
CA1253367A (en) 1989-05-02

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