GB2066490B - Optical recording medium - Google Patents
Optical recording mediumInfo
- Publication number
- GB2066490B GB2066490B GB7941272A GB7941272A GB2066490B GB 2066490 B GB2066490 B GB 2066490B GB 7941272 A GB7941272 A GB 7941272A GB 7941272 A GB7941272 A GB 7941272A GB 2066490 B GB2066490 B GB 2066490B
- Authority
- GB
- United Kingdom
- Prior art keywords
- recording medium
- optical recording
- optical
- medium
- recording
- 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
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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
-
- 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
- G11B7/249—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 organometallic compounds
-
- 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
- G11B7/2533—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 resins
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7941272A GB2066490B (en) | 1979-11-29 | 1979-11-29 | Optical recording medium |
NLAANVRAGE7908829,A NL188398C (en) | 1979-11-29 | 1979-12-06 | OPTICAL RECORD MEDIUM WITH A REGISTRATION LAYER OF A LIGHT-ABSORBING MATERIAL, IN WHICH AN INFORMATION TRACK OF OPENINGS CAN BE FORMED BY THE ABSORPTION OF A LIGHT BEAM AND AN INFORMATION RECORD CONTAINING THE OPTICAL REGISTRATION MEDIA WITH A DATA IN THE DATA. |
FR7930240A FR2471714A1 (en) | 1979-11-29 | 1979-12-10 | ABLATION OPTICAL RECORDING MEDIUM FOR USE WITH A RECORDING LASER BEAM AND FOR USE IN A RESTITUTION DEVICE EMPLOYING A REFLECTIVE LIGHT BEAM AT A FREQUENCY GIVEN |
DE19792951341 DE2951341A1 (en) | 1979-11-29 | 1979-12-20 | OPTICAL RECORD CARRIER |
HK78386A HK78386A (en) | 1979-11-29 | 1986-10-16 | Optical recording medium |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7941272A GB2066490B (en) | 1979-11-29 | 1979-11-29 | Optical recording medium |
NLAANVRAGE7908829,A NL188398C (en) | 1979-11-29 | 1979-12-06 | OPTICAL RECORD MEDIUM WITH A REGISTRATION LAYER OF A LIGHT-ABSORBING MATERIAL, IN WHICH AN INFORMATION TRACK OF OPENINGS CAN BE FORMED BY THE ABSORPTION OF A LIGHT BEAM AND AN INFORMATION RECORD CONTAINING THE OPTICAL REGISTRATION MEDIA WITH A DATA IN THE DATA. |
FR7930240A FR2471714A1 (en) | 1979-11-29 | 1979-12-10 | ABLATION OPTICAL RECORDING MEDIUM FOR USE WITH A RECORDING LASER BEAM AND FOR USE IN A RESTITUTION DEVICE EMPLOYING A REFLECTIVE LIGHT BEAM AT A FREQUENCY GIVEN |
DE19792951341 DE2951341A1 (en) | 1979-11-29 | 1979-12-20 | OPTICAL RECORD CARRIER |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2066490A GB2066490A (en) | 1981-07-08 |
GB2066490B true GB2066490B (en) | 1983-10-19 |
Family
ID=27432482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7941272A Expired GB2066490B (en) | 1979-11-29 | 1979-11-29 | Optical recording medium |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2951341A1 (en) |
FR (1) | FR2471714A1 (en) |
GB (1) | GB2066490B (en) |
NL (1) | NL188398C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3505751A1 (en) * | 1985-02-20 | 1986-08-21 | Basf Ag, 6700 Ludwigshafen | NEW TETRAPHENYLDITHIOLE COMPLEXES AND OPTICAL RECORDING MEDIA CONTAINING THESE COMPLEXES |
DE3507379A1 (en) * | 1985-03-02 | 1986-11-06 | Basf Ag, 6700 Ludwigshafen | OPTICAL RECORDING MEDIUM |
US4783393A (en) * | 1986-10-27 | 1988-11-08 | Eastman Kodak Company | Dye mixtures and optical recording elements containing same |
US5268478A (en) * | 1990-11-30 | 1993-12-07 | Teijin Limited | Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588216A (en) * | 1966-09-02 | 1971-06-28 | Polaroid Corp | Plastic optical elements |
JPS5932319B2 (en) * | 1974-03-22 | 1984-08-08 | 富士写真フイルム株式会社 | recording material |
US4097895A (en) * | 1976-03-19 | 1978-06-27 | Rca Corporation | Multilayer optical record |
-
1979
- 1979-11-29 GB GB7941272A patent/GB2066490B/en not_active Expired
- 1979-12-06 NL NLAANVRAGE7908829,A patent/NL188398C/en not_active IP Right Cessation
- 1979-12-10 FR FR7930240A patent/FR2471714A1/en active Granted
- 1979-12-20 DE DE19792951341 patent/DE2951341A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2066490A (en) | 1981-07-08 |
FR2471714B1 (en) | 1983-07-18 |
FR2471714A1 (en) | 1981-06-19 |
DE2951341A1 (en) | 1981-06-25 |
NL188398B (en) | 1992-01-16 |
NL7908829A (en) | 1981-07-01 |
NL188398C (en) | 1992-06-16 |
DE2951341C2 (en) | 1988-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19991128 |