JPH0561111B2 - - Google Patents
Info
- Publication number
- JPH0561111B2 JPH0561111B2 JP57205375A JP20537582A JPH0561111B2 JP H0561111 B2 JPH0561111 B2 JP H0561111B2 JP 57205375 A JP57205375 A JP 57205375A JP 20537582 A JP20537582 A JP 20537582A JP H0561111 B2 JPH0561111 B2 JP H0561111B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- recording medium
- optical recording
- output frequency
- intermediate layer
- 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 - Lifetime
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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Read Only Memory (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32405881A | 1981-11-23 | 1981-11-23 | |
| US324058 | 1981-11-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5896593A JPS5896593A (ja) | 1983-06-08 |
| JPH0561111B2 true JPH0561111B2 (cs) | 1993-09-03 |
Family
ID=23261885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57205375A Granted JPS5896593A (ja) | 1981-11-23 | 1982-11-22 | 光学記録媒体 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5896593A (cs) |
| DE (1) | DE3242315A1 (cs) |
| FR (1) | FR2517100B1 (cs) |
| GB (1) | GB2110115B (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07107756B2 (ja) * | 1987-02-12 | 1995-11-15 | 凸版印刷株式会社 | 光カ−ド |
| 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 |
| JPS5814318B2 (ja) * | 1978-06-26 | 1983-03-18 | 富士写真フイルム株式会社 | 熱的記録材料 |
| JPS553971A (en) * | 1978-06-26 | 1980-01-12 | Fuji Photo Film Co Ltd | 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 (de) * | 1980-05-14 | 1982-03-11 | RCA Corp., 10020 New York, N.Y. | Aufzeichnungstraeger und verfahren zum schreiben einer informationsspur sowie zum loeschen einer in dem traeger gespeicherten information |
-
1982
- 1982-11-16 DE DE19823242315 patent/DE3242315A1/de active Granted
- 1982-11-16 FR FR8219124A patent/FR2517100B1/fr not_active Expired
- 1982-11-18 GB GB08232888A patent/GB2110115B/en not_active Expired
- 1982-11-22 JP JP57205375A patent/JPS5896593A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2517100B1 (fr) | 1986-01-31 |
| DE3242315C2 (cs) | 1992-05-27 |
| FR2517100A1 (fr) | 1983-05-27 |
| GB2110115A (en) | 1983-06-15 |
| JPS5896593A (ja) | 1983-06-08 |
| DE3242315A1 (de) | 1983-06-01 |
| GB2110115B (en) | 1985-08-07 |
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