FR2517100B1 - OPTICAL RECORDING MEDIUM AND DISC MADE USING THE SAME - Google Patents
OPTICAL RECORDING MEDIUM AND DISC MADE USING THE SAMEInfo
- Publication number
- FR2517100B1 FR2517100B1 FR8219124A FR8219124A FR2517100B1 FR 2517100 B1 FR2517100 B1 FR 2517100B1 FR 8219124 A FR8219124 A FR 8219124A FR 8219124 A FR8219124 A FR 8219124A FR 2517100 B1 FR2517100 B1 FR 2517100B1
- Authority
- FR
- France
- Prior art keywords
- same
- recording medium
- optical recording
- disc made
- disc
- 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
- G11B7/252—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32405881A | 1981-11-23 | 1981-11-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2517100A1 FR2517100A1 (en) | 1983-05-27 |
FR2517100B1 true FR2517100B1 (en) | 1986-01-31 |
Family
ID=23261885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8219124A Expired FR2517100B1 (en) | 1981-11-23 | 1982-11-16 | OPTICAL RECORDING MEDIUM AND DISC MADE USING THE SAME |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5896593A (en) |
DE (1) | DE3242315A1 (en) |
FR (1) | FR2517100B1 (en) |
GB (1) | GB2110115B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07107756B2 (en) * | 1987-02-12 | 1995-11-15 | 凸版印刷株式会社 | Light card |
US5013594A (en) * | 1987-09-25 | 1991-05-07 | Hitachi Maxwell, Ltd. | Optical information recording medium and its production |
US20050243707A1 (en) * | 2002-07-10 | 2005-11-03 | Van Der Mark Martinus B | Optical recording and reading system, optical data storage medium and use of such medium |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4101907A (en) * | 1977-08-29 | 1978-07-18 | Rca Corporation | Overcoat structure for optical video disc |
JPS553971A (en) * | 1978-06-26 | 1980-01-12 | Fuji Photo Film Co Ltd | Thermal recording material |
JPS5814318B2 (en) * | 1978-06-26 | 1983-03-18 | 富士写真フイルム株式会社 | thermal recording material |
US4268840A (en) * | 1979-07-27 | 1981-05-19 | Xerox Corporation | Optical recording member |
JPS5621891A (en) * | 1979-07-31 | 1981-02-28 | Toshiba Corp | Optical recording material |
DE3118058A1 (en) * | 1980-05-14 | 1982-03-11 | RCA Corp., 10020 New York, N.Y. | RECORD CARRIER AND METHOD FOR WRITING AN INFORMATION TRACK AND DELETING AN INFORMATION STORED IN THE CARRIER |
-
1982
- 1982-11-16 FR FR8219124A patent/FR2517100B1/en not_active Expired
- 1982-11-16 DE DE19823242315 patent/DE3242315A1/en active Granted
- 1982-11-18 GB GB08232888A patent/GB2110115B/en not_active Expired
- 1982-11-22 JP JP57205375A patent/JPS5896593A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5896593A (en) | 1983-06-08 |
FR2517100A1 (en) | 1983-05-27 |
GB2110115B (en) | 1985-08-07 |
GB2110115A (en) | 1983-06-15 |
JPH0561111B2 (en) | 1993-09-03 |
DE3242315C2 (en) | 1992-05-27 |
DE3242315A1 (en) | 1983-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
ST | Notification of lapse |