JPS52108803A - Information recording element - Google Patents
Information recording elementInfo
- Publication number
- JPS52108803A JPS52108803A JP2515276A JP2515276A JPS52108803A JP S52108803 A JPS52108803 A JP S52108803A JP 2515276 A JP2515276 A JP 2515276A JP 2515276 A JP2515276 A JP 2515276A JP S52108803 A JPS52108803 A JP S52108803A
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- recording element
- fhin
- recess
- 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.)
- Pending
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
- G11B7/243—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 inorganic materials only, e.g. ablative layers
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
PURPOSE:To improve the recording characteristics of a system, in which a recess is formed by a laser beam in a thin film formed on a substrate, by making the fhin film of a preset material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2515276A JPS52108803A (en) | 1976-03-10 | 1976-03-10 | Information recording element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2515276A JPS52108803A (en) | 1976-03-10 | 1976-03-10 | Information recording element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52108803A true JPS52108803A (en) | 1977-09-12 |
Family
ID=12158027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2515276A Pending JPS52108803A (en) | 1976-03-10 | 1976-03-10 | Information recording element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52108803A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5794945A (en) * | 1980-10-16 | 1982-06-12 | Philips Nv | Optical information disk |
JPS58158225A (en) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | Manufacture of information recording substrate |
JPS61287058A (en) * | 1985-06-10 | 1986-12-17 | エナ−ジ−・コンバ−シヨン・デバイセス・インコ−ポレ−テツド | Optical data memory device and making thereof |
-
1976
- 1976-03-10 JP JP2515276A patent/JPS52108803A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5794945A (en) * | 1980-10-16 | 1982-06-12 | Philips Nv | Optical information disk |
JPH0440785B2 (en) * | 1980-10-16 | 1992-07-06 | Fuiritsupusu Furuuiranpenfuaburiken Nv | |
JPS58158225A (en) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | Manufacture of information recording substrate |
JPS6241451B2 (en) * | 1982-03-15 | 1987-09-03 | Tokyo Shibaura Electric Co | |
JPS61287058A (en) * | 1985-06-10 | 1986-12-17 | エナ−ジ−・コンバ−シヨン・デバイセス・インコ−ポレ−テツド | Optical data memory device and making thereof |
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