JPH0259526B2 - - Google Patents
Info
- Publication number
- JPH0259526B2 JPH0259526B2 JP59076256A JP7625684A JPH0259526B2 JP H0259526 B2 JPH0259526 B2 JP H0259526B2 JP 59076256 A JP59076256 A JP 59076256A JP 7625684 A JP7625684 A JP 7625684A JP H0259526 B2 JPH0259526 B2 JP H0259526B2
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- information recording
- optical information
- disk
- thin film
- 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
- 230000003287 optical effect Effects 0.000 claims description 25
- 239000010409 thin film Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 8
- 229910005900 GeTe Inorganic materials 0.000 claims description 6
- 229910005642 SnTe Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 description 13
- 230000008020 evaporation Effects 0.000 description 13
- 239000000758 substrate Substances 0.000 description 7
- 229910001215 Te alloy Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
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)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59076256A JPS60219645A (ja) | 1984-04-16 | 1984-04-16 | 光情報記録媒体及びその製造装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59076256A JPS60219645A (ja) | 1984-04-16 | 1984-04-16 | 光情報記録媒体及びその製造装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60219645A JPS60219645A (ja) | 1985-11-02 |
| JPH0259526B2 true JPH0259526B2 (enrdf_load_stackoverflow) | 1990-12-12 |
Family
ID=13600121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59076256A Granted JPS60219645A (ja) | 1984-04-16 | 1984-04-16 | 光情報記録媒体及びその製造装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60219645A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61243966A (ja) * | 1985-04-22 | 1986-10-30 | Matsushita Electric Ind Co Ltd | 光学情報担体デイスク |
| JP2674837B2 (ja) * | 1989-07-19 | 1997-11-12 | 日本電気株式会社 | 相変化型光ディスク |
-
1984
- 1984-04-16 JP JP59076256A patent/JPS60219645A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60219645A (ja) | 1985-11-02 |
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