JPH0456363B2 - - Google Patents
Info
- Publication number
- JPH0456363B2 JPH0456363B2 JP16103583A JP16103583A JPH0456363B2 JP H0456363 B2 JPH0456363 B2 JP H0456363B2 JP 16103583 A JP16103583 A JP 16103583A JP 16103583 A JP16103583 A JP 16103583A JP H0456363 B2 JPH0456363 B2 JP H0456363B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magneto
- optical disk
- magnetic core
- magnetic field
- 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
Links
- 230000005284 excitation Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 3
- 239000011162 core material Substances 0.000 description 31
- 239000000696 magnetic material Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 9
- 230000005415 magnetization Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910020637 Co-Cu Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- 229910002549 Fe–Cu Inorganic materials 0.000 description 1
- 230000005374 Kerr effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 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
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16103583A JPS6050702A (ja) | 1983-08-31 | 1983-08-31 | 光磁気ディスクのバイアス磁界印加装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16103583A JPS6050702A (ja) | 1983-08-31 | 1983-08-31 | 光磁気ディスクのバイアス磁界印加装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6050702A JPS6050702A (ja) | 1985-03-20 |
| JPH0456363B2 true JPH0456363B2 (fr) | 1992-09-08 |
Family
ID=15727354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16103583A Granted JPS6050702A (ja) | 1983-08-31 | 1983-08-31 | 光磁気ディスクのバイアス磁界印加装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6050702A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0413773Y2 (fr) * | 1985-11-19 | 1992-03-30 | ||
| JP2637415B2 (ja) * | 1987-03-03 | 1997-08-06 | オリンパス光学工業株式会社 | 光磁気記録再生装置 |
-
1983
- 1983-08-31 JP JP16103583A patent/JPS6050702A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6050702A (ja) | 1985-03-20 |
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