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 DatenspeicherungInfo
- 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
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
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)
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 |
-
1989
- 1989-09-29 JP JP1255623A patent/JP2910089B2/ja not_active Expired - Fee Related
-
1990
- 1990-09-28 DE DE69032536T patent/DE69032536T2/de not_active Expired - Fee Related
- 1990-09-28 EP EP90310628A patent/EP0420659B1/de not_active Expired - Lifetime
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 |