JPS57191824A - Magneto-resistance effect head - Google Patents
Magneto-resistance effect headInfo
- Publication number
- JPS57191824A JPS57191824A JP7739281A JP7739281A JPS57191824A JP S57191824 A JPS57191824 A JP S57191824A JP 7739281 A JP7739281 A JP 7739281A JP 7739281 A JP7739281 A JP 7739281A JP S57191824 A JPS57191824 A JP S57191824A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- magnetic field
- bias
- coil
- magneto
- 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
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
PURPOSE:To wind a coil for bias generation in plural times, and to set the best bias magnetic field by providing a bias magnetic field applying means at distance from a magnetic resistance effect element. CONSTITUTION:On the medium opposite surface side of the top surface of a substrate 2, a ferromagnetic thin film 6 is formed as a magneto-resistance element connecting with a signal lead-out terminal 7 for flowing a detection current Is, and a bias magnetic field generating coil 12 is wound near the opposite- directional end part of the thin film 6 of a magnetic material 11 extended from the circumference of the thin film 6 to the opposite side of the medium opposite surface, thus constituting a bias magnetic field applying means 10. Then, a magnetic field generated by the coil 12 is transferred to the circumference of the thin film 6 through the magnetic material 11. consequently, the magnetic material 11 is not exposed to the side of the medium opposite surface A, so the generation of noises and a failure in reproduction due to contact with the thin film 6 are prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7739281A JPS57191824A (en) | 1981-05-20 | 1981-05-20 | Magneto-resistance effect head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7739281A JPS57191824A (en) | 1981-05-20 | 1981-05-20 | Magneto-resistance effect head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57191824A true JPS57191824A (en) | 1982-11-25 |
Family
ID=13632615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7739281A Pending JPS57191824A (en) | 1981-05-20 | 1981-05-20 | Magneto-resistance effect head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57191824A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59227021A (en) * | 1983-06-07 | 1984-12-20 | Sanyo Electric Co Ltd | Magneto-resistance effect type magnetic head and its manufacture |
EP0171956A2 (en) * | 1984-08-13 | 1986-02-19 | Ampex Corporation | Permanent magnet biased narrow track magnetoresistive transducer |
EP0342062A2 (en) * | 1988-05-12 | 1989-11-15 | Fujitsu Limited | Recognising patterns printed in magnetizable ink |
-
1981
- 1981-05-20 JP JP7739281A patent/JPS57191824A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59227021A (en) * | 1983-06-07 | 1984-12-20 | Sanyo Electric Co Ltd | Magneto-resistance effect type magnetic head and its manufacture |
JPH0475568B2 (en) * | 1983-06-07 | 1992-12-01 | Sanyo Electric Co | |
EP0171956A2 (en) * | 1984-08-13 | 1986-02-19 | Ampex Corporation | Permanent magnet biased narrow track magnetoresistive transducer |
EP0342062A2 (en) * | 1988-05-12 | 1989-11-15 | Fujitsu Limited | Recognising patterns printed in magnetizable ink |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4164770A (en) | Thin film magnetoresistive head | |
JPS5687862A (en) | Magnetic head of revolution detector | |
JPS57189320A (en) | Thin film magnetic head | |
JPS5488110A (en) | Vertical magnetization recorder-reproducer | |
JPS57164416A (en) | Magnetic head | |
JPS5724015A (en) | Thin film magnetic head | |
JPS57191824A (en) | Magneto-resistance effect head | |
JPS5555421A (en) | Magnetic head | |
JPS56163517A (en) | Vertical magnetization recording head | |
JPS5555420A (en) | Vertical magnetization recording device | |
JPS5584025A (en) | Vertical magnetization recorder/reproducer | |
JPS52130614A (en) | Magnetic head | |
JPS57208624A (en) | Magneto-resistance effect head | |
JPS56143514A (en) | Magnetic head | |
JPS5528563A (en) | Recorder/reproducer device | |
JPS5753846A (en) | Information recording carrier | |
JPS5721883A (en) | Magnetic reluctance effect element | |
JPS57191819A (en) | Magnetic head | |
JPS5715227A (en) | Magnetic resistance effect type magnetic head | |
JPS53101411A (en) | Mr type magnetic head | |
JPS52113216A (en) | Magnetic head | |
JPS5534449A (en) | Thin film magnetoresistance element with bias magnetic field minute adjusting mechanism | |
JPS5517853A (en) | Magnetresistance effect head | |
JPS5758222A (en) | Magnetic head | |
MY105311A (en) | Apparatus for generating magnetic field varying in response to an information signal. |