JPH0443338B2 - - Google Patents
Info
- Publication number
- JPH0443338B2 JPH0443338B2 JP25200283A JP25200283A JPH0443338B2 JP H0443338 B2 JPH0443338 B2 JP H0443338B2 JP 25200283 A JP25200283 A JP 25200283A JP 25200283 A JP25200283 A JP 25200283A JP H0443338 B2 JPH0443338 B2 JP H0443338B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- head
- thin film
- light beam
- magnetic head
- 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
- 239000010409 thin film Substances 0.000 claims description 17
- 230000005415 magnetization Effects 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000005374 Kerr effect Effects 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- 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
- G11B11/10532—Heads
-
- 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
- G11B11/10532—Heads
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
- G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25200283A JPS60143463A (ja) | 1983-12-29 | 1983-12-29 | 磁気記録情報再生方法および装置 |
| NL8403950A NL8403950A (nl) | 1983-12-29 | 1984-12-27 | Werkwijze en inrichting voor het reproduceren van magnetische informatie. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25200283A JPS60143463A (ja) | 1983-12-29 | 1983-12-29 | 磁気記録情報再生方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60143463A JPS60143463A (ja) | 1985-07-29 |
| JPH0443338B2 true JPH0443338B2 (ru) | 1992-07-16 |
Family
ID=17231190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25200283A Granted JPS60143463A (ja) | 1983-12-29 | 1983-12-29 | 磁気記録情報再生方法および装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60143463A (ru) |
| NL (1) | NL8403950A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0760537B2 (ja) * | 1985-09-27 | 1995-06-28 | 株式会社日立製作所 | 記録再生方法 |
| KR910007775B1 (ko) * | 1986-02-05 | 1991-10-02 | 인포메이션 스토리지 인코포레이티드 | 정보 기억 장치 및 디지탈 정보 기록 매체의 기록 방법 |
| JPH0283838A (ja) * | 1988-09-20 | 1990-03-23 | Nec Kansai Ltd | 磁気ヘッド |
-
1983
- 1983-12-29 JP JP25200283A patent/JPS60143463A/ja active Granted
-
1984
- 1984-12-27 NL NL8403950A patent/NL8403950A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60143463A (ja) | 1985-07-29 |
| NL8403950A (nl) | 1985-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |