JPS60143462A - 磁気記録情報再生方法および装置 - Google Patents
磁気記録情報再生方法および装置Info
- Publication number
- JPS60143462A JPS60143462A JP58252001A JP25200183A JPS60143462A JP S60143462 A JPS60143462 A JP S60143462A JP 58252001 A JP58252001 A JP 58252001A JP 25200183 A JP25200183 A JP 25200183A JP S60143462 A JPS60143462 A JP S60143462A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- head
- magnetic recording
- light
- recording 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 9
- 239000010409 thin film Substances 0.000 claims abstract description 17
- 230000005415 magnetization Effects 0.000 claims abstract description 16
- 230000010287 polarization Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000005374 Kerr effect Effects 0.000 abstract description 7
- 230000004907 flux Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000012780 transparent material Substances 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 3
- 230000000694 effects 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
- 239000000463 material Substances 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
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58252001A JPS60143462A (ja) | 1983-12-29 | 1983-12-29 | 磁気記録情報再生方法および装置 |
| US06/686,526 US4677513A (en) | 1983-12-29 | 1984-12-27 | Magneto-optic thin film head and method of use |
| NL8403951A NL192851C (nl) | 1983-12-29 | 1984-12-27 | Inrichting voor het langs optische weg reproduceren van magnetisch geregistreerde informatie. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58252001A JPS60143462A (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 |
|---|---|
| JPS60143462A true JPS60143462A (ja) | 1985-07-29 |
| JPH0443337B2 JPH0443337B2 (enExample) | 1992-07-16 |
Family
ID=17231173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58252001A Granted JPS60143462A (ja) | 1983-12-29 | 1983-12-29 | 磁気記録情報再生方法および装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4677513A (enExample) |
| JP (1) | JPS60143462A (enExample) |
| NL (1) | NL192851C (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677513A (en) * | 1983-12-29 | 1987-06-30 | Fuji Photo Film Co., Ltd. | Magneto-optic thin film head and method of use |
| JPH075473U (ja) * | 1993-06-30 | 1995-01-27 | エムエイシイサンコー株式会社 | 盆 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4707755A (en) * | 1985-03-20 | 1987-11-17 | Hitachi, Ltd. | Optical read-out magnetic head |
| US4931634A (en) * | 1987-12-28 | 1990-06-05 | Teijin Seiki Company Limited | Optical position sensor using Kerr effect and a magnetic scale |
| JPH01287804A (ja) * | 1988-02-15 | 1989-11-20 | Alps Electric Co Ltd | 光磁気記録装置用磁気ヘッド |
| US5287334A (en) * | 1989-07-29 | 1994-02-15 | Sony Corporation | Magneto-optical pickup apparatus and magneto-optical recording/reproducing apparatus |
| FR2652670B1 (fr) * | 1989-10-03 | 1995-06-23 | Thomson Csf | Tete de lecture magnetooptique a haute resolution. |
| JP3000492B2 (ja) * | 1991-04-22 | 2000-01-17 | キヤノン株式会社 | 情報処理装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2560430A (en) * | 1949-08-27 | 1951-07-10 | Rca Corp | Magneto-optical transducer system |
| US3769465A (en) * | 1969-08-18 | 1973-10-30 | Ibm | Electronic servo in magnetic recording readout |
| SU479147A1 (ru) * | 1972-05-03 | 1975-07-30 | Киевский Ордена Ленина Государственный Университет Им.Т.Г.Шевчевко | Устройство магнитооптического воспроизведени |
| SU501411A1 (ru) * | 1972-07-24 | 1976-01-30 | Киевский Ордена Ленина Государственный Университет Им. Т.Г.Шевченко | Магнитооптическа головка дл считывани информации |
| SU477454A1 (ru) * | 1974-03-04 | 1975-07-15 | Предприятие П/Я А-3103 | Магнитооптическа головка |
| SU518795A1 (ru) * | 1975-01-20 | 1976-06-25 | Предприятие П/Я А-3103 | Магнитооптическа головка |
| JPS5922295B2 (ja) * | 1975-08-13 | 1984-05-25 | 松下電器産業株式会社 | 磁気ヘツド |
| SU540286A1 (ru) * | 1975-11-03 | 1976-12-25 | Предприятие П/Я А-3103 | Магнитооптическа воспроизвод ща головка |
| JPS5260111A (en) * | 1975-11-12 | 1977-05-18 | Matsushita Electric Ind Co Ltd | Magnetic head |
| JPS57169946A (en) * | 1981-04-14 | 1982-10-19 | Nec Corp | Magnetic recorder and reproducer |
| SU972576A2 (ru) * | 1981-05-04 | 1982-11-07 | Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Устройство дл контрол рабочего зазора магнитной головки |
| JPS57183646A (en) * | 1981-05-07 | 1982-11-12 | Nec Corp | Magnetic recorder and reproducer |
| JPS58111115A (ja) * | 1981-12-25 | 1983-07-02 | Hitachi Ltd | 薄膜磁気ヘツド |
| US4618901A (en) * | 1982-07-19 | 1986-10-21 | Nippon Telegraph & Telephone Public Corporation | High density magnetic head |
| JPS5930255A (ja) * | 1982-08-11 | 1984-02-17 | Nippon Hoso Kyokai <Nhk> | 磁気−光ヘツド |
| FR2549271B1 (fr) * | 1983-07-13 | 1989-05-26 | Cii Honeywell Bull | Transducteur magnetique hautement integre d'ecriture d'informations sur un support magnetique |
| SU1138828A1 (ru) * | 1983-07-15 | 1985-02-07 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Устройство дл воспроизведени с носител магнитной записи |
| JPS60143462A (ja) * | 1983-12-29 | 1985-07-29 | Fuji Photo Film Co Ltd | 磁気記録情報再生方法および装置 |
-
1983
- 1983-12-29 JP JP58252001A patent/JPS60143462A/ja active Granted
-
1984
- 1984-12-27 US US06/686,526 patent/US4677513A/en not_active Expired - Lifetime
- 1984-12-27 NL NL8403951A patent/NL192851C/nl not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677513A (en) * | 1983-12-29 | 1987-06-30 | Fuji Photo Film Co., Ltd. | Magneto-optic thin film head and method of use |
| JPH075473U (ja) * | 1993-06-30 | 1995-01-27 | エムエイシイサンコー株式会社 | 盆 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443337B2 (enExample) | 1992-07-16 |
| NL192851C (nl) | 1998-03-04 |
| US4677513A (en) | 1987-06-30 |
| NL192851B (nl) | 1997-11-03 |
| NL8403951A (nl) | 1985-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |