JPH0440761B2 - - Google Patents
Info
- Publication number
- JPH0440761B2 JPH0440761B2 JP11484581A JP11484581A JPH0440761B2 JP H0440761 B2 JPH0440761 B2 JP H0440761B2 JP 11484581 A JP11484581 A JP 11484581A JP 11484581 A JP11484581 A JP 11484581A JP H0440761 B2 JPH0440761 B2 JP H0440761B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- magnetic field
- bit
- light
- moved
- 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
- 238000000034 method Methods 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 12
- 230000005415 magnetization Effects 0.000 claims description 11
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000005381 magnetic domain Effects 0.000 claims description 4
- 239000010408 film Substances 0.000 description 16
- 239000002223 garnet Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000005421 thermomagnetic effect 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 |
|---|---|---|---|
| JP11484581A JPS5817505A (ja) | 1981-07-22 | 1981-07-22 | 光熱磁気トラツク移動方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11484581A JPS5817505A (ja) | 1981-07-22 | 1981-07-22 | 光熱磁気トラツク移動方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5817505A JPS5817505A (ja) | 1983-02-01 |
| JPH0440761B2 true JPH0440761B2 (fr) | 1992-07-06 |
Family
ID=14648140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11484581A Granted JPS5817505A (ja) | 1981-07-22 | 1981-07-22 | 光熱磁気トラツク移動方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5817505A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984003991A1 (fr) * | 1983-03-31 | 1984-10-11 | Sony Corp | Procede d'enregistrement optique thermomagnetique |
| JPH06105507B2 (ja) * | 1984-10-26 | 1994-12-21 | 日本電気株式会社 | 光磁気記録再生消去装置 |
| JP2647877B2 (ja) * | 1987-12-26 | 1997-08-27 | シャープ株式会社 | 光磁気カード記録再生装置 |
-
1981
- 1981-07-22 JP JP11484581A patent/JPS5817505A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5817505A (ja) | 1983-02-01 |
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