JPH058116B2 - - Google Patents

Info

Publication number
JPH058116B2
JPH058116B2 JP60003698A JP369885A JPH058116B2 JP H058116 B2 JPH058116 B2 JP H058116B2 JP 60003698 A JP60003698 A JP 60003698A JP 369885 A JP369885 A JP 369885A JP H058116 B2 JPH058116 B2 JP H058116B2
Authority
JP
Japan
Prior art keywords
layer
recording
dye
light
light absorption
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
Application number
JP60003698A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61162386A (ja
Inventor
Noryoshi Nanba
Akihiko Kuroiwa
Hiroshi Hosaka
Shohei Mimura
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.)
TDK Corp
Toppan Infomedia Co Ltd
Original Assignee
Tokyo Magnetic Printing Co Ltd
TDK 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 Tokyo Magnetic Printing Co Ltd, TDK Corp filed Critical Tokyo Magnetic Printing Co Ltd
Priority to JP60003698A priority Critical patent/JPS61162386A/ja
Publication of JPS61162386A publication Critical patent/JPS61162386A/ja
Publication of JPH058116B2 publication Critical patent/JPH058116B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/25—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing liquid crystals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
JP60003698A 1985-01-12 1985-01-12 光カ−ド Granted JPS61162386A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60003698A JPS61162386A (ja) 1985-01-12 1985-01-12 光カ−ド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60003698A JPS61162386A (ja) 1985-01-12 1985-01-12 光カ−ド

Publications (2)

Publication Number Publication Date
JPS61162386A JPS61162386A (ja) 1986-07-23
JPH058116B2 true JPH058116B2 (de) 1993-02-01

Family

ID=11564591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60003698A Granted JPS61162386A (ja) 1985-01-12 1985-01-12 光カ−ド

Country Status (1)

Country Link
JP (1) JPS61162386A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02273338A (ja) * 1989-04-13 1990-11-07 Canon Inc 情報記憶媒体
JP2527476B2 (ja) * 1989-04-28 1996-08-21 ダイセル化学工業株式会社 光情報記録媒体
DE102005028145A1 (de) * 2005-06-17 2006-12-28 Bayer Materialscience Ag Optischer Datenspeicher, dessen Herstellung und Verwendung
JP2010201824A (ja) * 2009-03-04 2010-09-16 Ricoh Co Ltd 光記録媒体
US9665814B2 (en) 2012-05-30 2017-05-30 Black Card Llc Multi-layer metal-carbon transaction cards and associated methods
US9898694B2 (en) 2012-05-30 2018-02-20 Black Card Llc Tri-layer transaction cards and associated methods
US20140158773A1 (en) * 2012-12-06 2014-06-12 Black Card Llc Transaction cards and associated methods

Also Published As

Publication number Publication date
JPS61162386A (ja) 1986-07-23

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees