DE3853436D1 - Stabilisierter magneto-optischer Aufzeichnungsträger. - Google Patents
Stabilisierter magneto-optischer Aufzeichnungsträger.Info
- Publication number
- DE3853436D1 DE3853436D1 DE3853436T DE3853436T DE3853436D1 DE 3853436 D1 DE3853436 D1 DE 3853436D1 DE 3853436 T DE3853436 T DE 3853436T DE 3853436 T DE3853436 T DE 3853436T DE 3853436 D1 DE3853436 D1 DE 3853436D1
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- stabilized
- recording medium
- optical recording
- optical
- 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 - Fee Related
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
- G11B11/10589—Details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US320387A | 1987-01-14 | 1987-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3853436D1 true DE3853436D1 (de) | 1995-05-04 |
DE3853436T2 DE3853436T2 (de) | 1995-11-09 |
Family
ID=21704696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3853436T Expired - Fee Related DE3853436T2 (de) | 1987-01-14 | 1988-01-13 | Stabilisierter magneto-optischer Aufzeichnungsträger. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0275189B1 (de) |
JP (1) | JPS63253555A (de) |
KR (1) | KR890012281A (de) |
DE (1) | DE3853436T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310392B1 (de) * | 1987-09-30 | 1993-11-18 | Sharp Kabushiki Kaisha | Magnetooptisches Speichermedium |
JP2707796B2 (ja) * | 1990-05-17 | 1998-02-04 | 松下電器産業株式会社 | 光磁気記録媒体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5984358A (ja) * | 1982-11-04 | 1984-05-16 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
JPS6079543A (ja) * | 1983-10-05 | 1985-05-07 | Daicel Chem Ind Ltd | プラスチツク基盤上に希土類−遷移金属アモルフアスの光磁気記録媒体層を形成した記録担体 |
JPS6115308A (ja) * | 1984-07-02 | 1986-01-23 | Hitachi Ltd | 光磁気記録材料 |
JPS6184803A (ja) * | 1984-10-03 | 1986-04-30 | Oki Electric Ind Co Ltd | 光磁気記録用材料 |
JPS6187307A (ja) * | 1984-10-03 | 1986-05-02 | Oki Electric Ind Co Ltd | 光磁気記録用材料 |
KR870006535A (ko) * | 1985-02-27 | 1987-07-13 | 나가이 아쯔시 | 광자기 기록 매체 |
JPS61214254A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | 光磁気記録材料 |
JPS62232736A (ja) * | 1986-04-02 | 1987-10-13 | Oki Electric Ind Co Ltd | 光磁気記録用媒体 |
JPS62293537A (ja) * | 1986-06-13 | 1987-12-21 | Hitachi Ltd | 光磁気デイスク用記録媒体 |
JP2539397B2 (ja) * | 1986-11-12 | 1996-10-02 | 株式会社日立製作所 | 光磁気記録媒体 |
-
1988
- 1988-01-13 DE DE3853436T patent/DE3853436T2/de not_active Expired - Fee Related
- 1988-01-13 EP EP88300243A patent/EP0275189B1/de not_active Expired - Lifetime
- 1988-01-13 KR KR1019880000197A patent/KR890012281A/ko not_active Application Discontinuation
- 1988-01-13 JP JP63005692A patent/JPS63253555A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0275189A3 (en) | 1990-01-10 |
DE3853436T2 (de) | 1995-11-09 |
KR890012281A (ko) | 1989-08-25 |
EP0275189A2 (de) | 1988-07-20 |
JPS63253555A (ja) | 1988-10-20 |
EP0275189B1 (de) | 1995-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |