JPS57169946A - Magnetic recorder and reproducer - Google Patents
Magnetic recorder and reproducerInfo
- Publication number
- JPS57169946A JPS57169946A JP5587981A JP5587981A JPS57169946A JP S57169946 A JPS57169946 A JP S57169946A JP 5587981 A JP5587981 A JP 5587981A JP 5587981 A JP5587981 A JP 5587981A JP S57169946 A JPS57169946 A JP S57169946A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- film
- magnetic thin
- magnetic pole
- vertical
- 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.)
- Pending
Links
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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5587981A JPS57169946A (en) | 1981-04-14 | 1981-04-14 | Magnetic recorder and reproducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5587981A JPS57169946A (en) | 1981-04-14 | 1981-04-14 | Magnetic recorder and reproducer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57169946A true JPS57169946A (en) | 1982-10-19 |
Family
ID=13011377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5587981A Pending JPS57169946A (en) | 1981-04-14 | 1981-04-14 | Magnetic recorder and reproducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57169946A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8302585A (nl) * | 1982-07-19 | 1984-02-16 | Nippon Telegraph & Telephone | Magneetkop. |
NL8403951A (nl) * | 1983-12-29 | 1985-07-16 | Fuji Photo Film Co Ltd | Werkwijze en inrichting voor het reproduceren van magnetische informatie. |
EP0195628A2 (en) * | 1985-03-20 | 1986-09-24 | Hitachi, Ltd. | Magnetic head |
JPS61214263A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | 光再生磁気ヘツド |
-
1981
- 1981-04-14 JP JP5587981A patent/JPS57169946A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8302585A (nl) * | 1982-07-19 | 1984-02-16 | Nippon Telegraph & Telephone | Magneetkop. |
NL8403951A (nl) * | 1983-12-29 | 1985-07-16 | Fuji Photo Film Co Ltd | Werkwijze en inrichting voor het reproduceren van magnetische informatie. |
EP0195628A2 (en) * | 1985-03-20 | 1986-09-24 | Hitachi, Ltd. | Magnetic head |
JPS61214263A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | 光再生磁気ヘツド |
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