JPH0489374U - - Google Patents
Info
- Publication number
- JPH0489374U JPH0489374U JP1991007929U JP792991U JPH0489374U JP H0489374 U JPH0489374 U JP H0489374U JP 1991007929 U JP1991007929 U JP 1991007929U JP 792991 U JP792991 U JP 792991U JP H0489374 U JPH0489374 U JP H0489374U
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991007929U JPH0632372Y2 (ja) | 1991-02-21 | 1991-02-21 | 光ディスク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991007929U JPH0632372Y2 (ja) | 1991-02-21 | 1991-02-21 | 光ディスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0489374U true JPH0489374U (enrdf_load_stackoverflow) | 1992-08-04 |
| JPH0632372Y2 JPH0632372Y2 (ja) | 1994-08-24 |
Family
ID=31740027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991007929U Expired - Lifetime JPH0632372Y2 (ja) | 1991-02-21 | 1991-02-21 | 光ディスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632372Y2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003025924A1 (fr) * | 2001-09-13 | 2003-03-27 | Tdk Corporation | Support d'enregistrement optique |
-
1991
- 1991-02-21 JP JP1991007929U patent/JPH0632372Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003025924A1 (fr) * | 2001-09-13 | 2003-03-27 | Tdk Corporation | Support d'enregistrement optique |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632372Y2 (ja) | 1994-08-24 |