JPH0514976B2 - - Google Patents
Info
- Publication number
- JPH0514976B2 JPH0514976B2 JP6293984A JP6293984A JPH0514976B2 JP H0514976 B2 JPH0514976 B2 JP H0514976B2 JP 6293984 A JP6293984 A JP 6293984A JP 6293984 A JP6293984 A JP 6293984A JP H0514976 B2 JPH0514976 B2 JP H0514976B2
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- information
- permanent magnet
- magneto
- optical disk
- 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
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000005415 magnetization Effects 0.000 description 9
- 230000005294 ferromagnetic effect Effects 0.000 description 6
- 230000005291 magnetic effect Effects 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6293984A JPS60205847A (ja) | 1984-03-30 | 1984-03-30 | 情報記録再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6293984A JPS60205847A (ja) | 1984-03-30 | 1984-03-30 | 情報記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60205847A JPS60205847A (ja) | 1985-10-17 |
| JPH0514976B2 true JPH0514976B2 (enrdf_load_stackoverflow) | 1993-02-26 |
Family
ID=13214771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6293984A Granted JPS60205847A (ja) | 1984-03-30 | 1984-03-30 | 情報記録再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60205847A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100524896B1 (ko) * | 1998-02-27 | 2005-12-21 | 삼성전자주식회사 | 하드디스크 드라이브의 서보라이터 소거방법 및 그 장치 |
-
1984
- 1984-03-30 JP JP6293984A patent/JPS60205847A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60205847A (ja) | 1985-10-17 |
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