DE69032536D1 - Methode zur Aufzeichnung und Wiedergabe von Informationen mittels eines Mediums für optische Datenspeicherung - Google Patents

Methode zur Aufzeichnung und Wiedergabe von Informationen mittels eines Mediums für optische Datenspeicherung

Info

Publication number
DE69032536D1
DE69032536D1 DE69032536T DE69032536T DE69032536D1 DE 69032536 D1 DE69032536 D1 DE 69032536D1 DE 69032536 T DE69032536 T DE 69032536T DE 69032536 T DE69032536 T DE 69032536T DE 69032536 D1 DE69032536 D1 DE 69032536D1
Authority
DE
Germany
Prior art keywords
recording
storage medium
data storage
optical data
reproducing information
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
DE69032536T
Other languages
English (en)
Other versions
DE69032536T2 (de
Inventor
Eiji Ando
Masaaki Suzuki
Kumiko Moriyama
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.)
New Energy and Industrial Technology Development Organization
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69032536D1 publication Critical patent/DE69032536D1/de
Publication of DE69032536T2 publication Critical patent/DE69032536T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/246—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 dyes
    • 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
    • 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
    • G11B7/246—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 dyes
    • G11B7/2467—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 dyes azo-dyes
    • 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
    • G11B7/246—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 dyes
    • G11B7/247—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 dyes methine or polymethine dyes
    • G11B7/2472—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 dyes methine or polymethine dyes cyanine
    • 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
    • G11B7/246—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 dyes
    • G11B7/247—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 dyes methine or polymethine dyes
    • G11B7/2475—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 dyes methine or polymethine dyes merocyanine
    • 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
    • G11B7/253—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 substrates
    • G11B7/2531—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 substrates comprising glass
DE69032536T 1989-09-29 1990-09-28 Methode zur Aufzeichnung und Wiedergabe von Informationen mittels eines Mediums für optische Datenspeicherung Expired - Fee Related DE69032536T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1255623A JP2910089B2 (ja) 1989-09-29 1989-09-29 光学記録媒体の検出方法

Publications (2)

Publication Number Publication Date
DE69032536D1 true DE69032536D1 (de) 1998-09-10
DE69032536T2 DE69032536T2 (de) 1999-01-14

Family

ID=17281324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032536T Expired - Fee Related DE69032536T2 (de) 1989-09-29 1990-09-28 Methode zur Aufzeichnung und Wiedergabe von Informationen mittels eines Mediums für optische Datenspeicherung

Country Status (3)

Country Link
EP (1) EP0420659B1 (de)
JP (1) JP2910089B2 (de)
DE (1) DE69032536T2 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073892A (ja) * 1983-09-30 1985-04-26 Tdk Corp 光記録媒体
DE3582778D1 (de) * 1984-10-25 1991-06-13 Matsushita Electric Ind Co Ltd Optisches aufzeichnungsmedium.
US4737427A (en) * 1985-03-06 1988-04-12 Matsushita Electric Industrial Co., Ltd. Optical high density recording mediums, method for making same and method for recording optical information in the medium
EP0218263B1 (de) * 1985-10-11 1992-05-27 Sony Corporation Laserinformationsaufzeichnungsmedium mit Aufzeichnungsschicht
EP0230024B1 (de) * 1985-12-20 1991-11-21 Matsushita Electric Industrial Co., Ltd. Optisches Aufzeichnungsmedium mit stabilisierter Aufzeichnungsschicht
DE3603267A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversiblen, optischen datenspeicherung (i)
EP0551966B1 (de) * 1986-12-24 1999-04-14 Canon Kabushiki Kaisha Aufzeichnungsgerät und Wiedergabegerät
JPS6439647A (en) * 1987-08-05 1989-02-09 Sanyo Electric Co Optical recording disk

Also Published As

Publication number Publication date
EP0420659B1 (de) 1998-08-05
JPH03116135A (ja) 1991-05-17
EP0420659A3 (en) 1991-06-05
EP0420659A2 (de) 1991-04-03
DE69032536T2 (de) 1999-01-14
JP2910089B2 (ja) 1999-06-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEW ENERGY AND INDUSTRIAL TECHNOLOGY DEVELOPMENT O

8339 Ceased/non-payment of the annual fee