GB8717514D0 - Optical recording medium - Google Patents
Optical recording mediumInfo
- Publication number
- GB8717514D0 GB8717514D0 GB878717514A GB8717514A GB8717514D0 GB 8717514 D0 GB8717514 D0 GB 8717514D0 GB 878717514 A GB878717514 A GB 878717514A GB 8717514 A GB8717514 A GB 8717514A GB 8717514 D0 GB8717514 D0 GB 8717514D0
- 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.)
- Granted
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH306586A CH670723A5 (en) | 1986-07-30 | 1986-07-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8717514D0 true GB8717514D0 (en) | 1987-08-26 |
GB2193658A GB2193658A (en) | 1988-02-17 |
GB2193658B GB2193658B (en) | 1990-05-30 |
Family
ID=4247843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8717514A Expired - Lifetime GB2193658B (en) | 1986-07-30 | 1987-07-23 | Optical recording medium |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS6337993A (en) |
CH (1) | CH670723A5 (en) |
DE (1) | DE3724819A1 (en) |
FR (1) | FR2602366A1 (en) |
GB (1) | GB2193658B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5910393A (en) * | 1987-06-10 | 1999-06-08 | Mitsubishi Denki Kabushiki Kaisha | Optical recording material |
EP0457721A1 (en) * | 1990-05-15 | 1991-11-21 | Ciba-Geigy Ag | NIR-absorbant dyes |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3978247A (en) * | 1974-01-28 | 1976-08-31 | Rca Corporation | Transfer recording process |
CA1127945A (en) * | 1979-06-04 | 1982-07-20 | James H. Sharp | Optical disc |
JPS5926293A (en) * | 1982-08-06 | 1984-02-10 | Nippon Kayaku Co Ltd | Optical image recording/reading medium |
DE3510361A1 (en) * | 1984-03-23 | 1985-10-03 | Basf Ag, 6700 Ludwigshafen | Optical recording medium, and process for the preparation thereof |
DE3426093A1 (en) * | 1984-07-14 | 1986-01-23 | Basf Ag, 6700 Ludwigshafen | Optical recording medium and method for manufacturing it |
-
1986
- 1986-07-30 CH CH306586A patent/CH670723A5/de not_active IP Right Cessation
-
1987
- 1987-07-23 GB GB8717514A patent/GB2193658B/en not_active Expired - Lifetime
- 1987-07-27 DE DE19873724819 patent/DE3724819A1/en not_active Withdrawn
- 1987-07-28 FR FR8710695A patent/FR2602366A1/en not_active Withdrawn
- 1987-07-30 JP JP62189040A patent/JPS6337993A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2602366A1 (en) | 1988-02-05 |
GB2193658B (en) | 1990-05-30 |
GB2193658A (en) | 1988-02-17 |
JPS6337993A (en) | 1988-02-18 |
DE3724819A1 (en) | 1988-02-11 |
CH670723A5 (en) | 1989-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930723 |