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JPS57191824A - Magneto-resistance effect head - Google Patents

Magneto-resistance effect head

Info

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
Application number
JP7739281A
Other languages
Japanese (ja)
Inventor
Munehito Kumagai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7739281A priority Critical patent/JPS57191824A/en
Publication of JPS57191824A publication Critical patent/JPS57191824A/en
Pending legal-status Critical Current

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.
JP7739281A 1981-05-20 1981-05-20 Magneto-resistance effect head Pending JPS57191824A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

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