JPH0477971B2 - - Google Patents
Info
- Publication number
- JPH0477971B2 JPH0477971B2 JP59048796A JP4879684A JPH0477971B2 JP H0477971 B2 JPH0477971 B2 JP H0477971B2 JP 59048796 A JP59048796 A JP 59048796A JP 4879684 A JP4879684 A JP 4879684A JP H0477971 B2 JPH0477971 B2 JP H0477971B2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- optical memory
- thin film
- optical
- substrate
- 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
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59048796A JPS60193144A (ja) | 1984-03-14 | 1984-03-14 | 光メモリデイスク |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59048796A JPS60193144A (ja) | 1984-03-14 | 1984-03-14 | 光メモリデイスク |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60193144A JPS60193144A (ja) | 1985-10-01 |
JPH0477971B2 true JPH0477971B2 (enrdf_load_stackoverflow) | 1992-12-09 |
Family
ID=12813187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59048796A Granted JPS60193144A (ja) | 1984-03-14 | 1984-03-14 | 光メモリデイスク |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60193144A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH061561B2 (ja) * | 1985-08-21 | 1994-01-05 | 株式会社日立製作所 | 光デイスク |
NL8702493A (nl) * | 1986-10-31 | 1988-05-16 | Seiko Epson Corp | Optisch opnamemedium en werkwijze voor het vervaardigen daarvan. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5766538A (en) * | 1980-10-08 | 1982-04-22 | Toshiba Corp | Information storage medium |
JPS5963039A (ja) * | 1982-09-30 | 1984-04-10 | Toshiba Corp | 情報記憶媒体 |
JPS6099697A (ja) * | 1983-11-07 | 1985-06-03 | Ricoh Co Ltd | 光学的記録媒体 |
-
1984
- 1984-03-14 JP JP59048796A patent/JPS60193144A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60193144A (ja) | 1985-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |