JPH0234095B2 - - Google Patents
Info
- Publication number
- JPH0234095B2 JPH0234095B2 JP56074818A JP7481881A JPH0234095B2 JP H0234095 B2 JPH0234095 B2 JP H0234095B2 JP 56074818 A JP56074818 A JP 56074818A JP 7481881 A JP7481881 A JP 7481881A JP H0234095 B2 JPH0234095 B2 JP H0234095B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- information
- recorded
- laser beam
- 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.)
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/705—Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7481881A JPS57191844A (en) | 1981-05-20 | 1981-05-20 | Reproducing method for optical information |
| US06/380,318 US4529991A (en) | 1981-05-20 | 1982-05-20 | Method for copying optical information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7481881A JPS57191844A (en) | 1981-05-20 | 1981-05-20 | Reproducing method for optical information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57191844A JPS57191844A (en) | 1982-11-25 |
| JPH0234095B2 true JPH0234095B2 (enrdf_load_stackoverflow) | 1990-08-01 |
Family
ID=13558269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7481881A Granted JPS57191844A (en) | 1981-05-20 | 1981-05-20 | Reproducing method for optical information |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57191844A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59207039A (ja) * | 1983-05-07 | 1984-11-24 | Kyodo Printing Co Ltd | 光記録カ−ド |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5340523B2 (enrdf_load_stackoverflow) * | 1975-02-18 | 1978-10-27 | ||
| JPS5532250A (en) * | 1978-08-25 | 1980-03-06 | Matsushita Electric Ind Co Ltd | Duplicating method for fine pattern |
-
1981
- 1981-05-20 JP JP7481881A patent/JPS57191844A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57191844A (en) | 1982-11-25 |