DE3885698D1 - Magnetooptisches Speichermedium. - Google Patents
Magnetooptisches Speichermedium.Info
- Publication number
- DE3885698D1 DE3885698D1 DE88309048T DE3885698T DE3885698D1 DE 3885698 D1 DE3885698 D1 DE 3885698D1 DE 88309048 T DE88309048 T DE 88309048T DE 3885698 T DE3885698 T DE 3885698T DE 3885698 D1 DE3885698 D1 DE 3885698D1
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- storage medium
- optical storage
- optical
- medium
- 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
- 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
- G11B11/10591—Details for improving write-in properties, e.g. Curie-point temperature
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24858487 | 1987-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3885698D1 true DE3885698D1 (de) | 1993-12-23 |
DE3885698T2 DE3885698T2 (de) | 1994-05-19 |
Family
ID=17180298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3885698T Expired - Fee Related DE3885698T2 (de) | 1987-09-30 | 1988-09-29 | Magnetooptisches Speichermedium. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0310392B1 (de) |
DE (1) | DE3885698T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5197049A (en) * | 1989-08-11 | 1993-03-23 | Apple Computer, Inc. | Head and media for optical data storage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6122608A (ja) * | 1984-07-11 | 1986-01-31 | Hitachi Ltd | 光磁気記録材料 |
JPS6134744A (ja) * | 1984-07-25 | 1986-02-19 | Hitachi Ltd | 磁気光学記録媒体 |
DE3853436T2 (de) * | 1987-01-14 | 1995-11-09 | Minnesota Mining & Mfg | Stabilisierter magneto-optischer Aufzeichnungsträger. |
-
1988
- 1988-09-29 DE DE3885698T patent/DE3885698T2/de not_active Expired - Fee Related
- 1988-09-29 EP EP88309048A patent/EP0310392B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0310392B1 (de) | 1993-11-18 |
DE3885698T2 (de) | 1994-05-19 |
EP0310392A2 (de) | 1989-04-05 |
EP0310392A3 (en) | 1990-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |