JPS51140769A - Magnetic detector - Google Patents

Magnetic detector

Info

Publication number
JPS51140769A
JPS51140769A JP50065769A JP6576975A JPS51140769A JP S51140769 A JPS51140769 A JP S51140769A JP 50065769 A JP50065769 A JP 50065769A JP 6576975 A JP6576975 A JP 6576975A JP S51140769 A JPS51140769 A JP S51140769A
Authority
JP
Japan
Prior art keywords
magnetic detector
magnetic
detector
reporduction
relying
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
Application number
JP50065769A
Other languages
Japanese (ja)
Other versions
JPS581748B2 (en
Inventor
Jun Kinoshita
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50065769A priority Critical patent/JPS581748B2/en
Publication of JPS51140769A publication Critical patent/JPS51140769A/en
Publication of JPS581748B2 publication Critical patent/JPS581748B2/en
Expired 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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
    • G11B5/3932—Magnetic biasing films
    • 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
    • G11B5/399—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 with intrinsic biasing, e.g. provided by equipotential strips

Abstract

PURPOSE:A magnetic detector using magnetic resistance effect element structured in such a way that the effective reporduction output is increased against a same magnetic field without relying upon the frequency.
JP50065769A 1975-05-30 1975-05-30 Jikikenshiyutsuki Expired JPS581748B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50065769A JPS581748B2 (en) 1975-05-30 1975-05-30 Jikikenshiyutsuki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50065769A JPS581748B2 (en) 1975-05-30 1975-05-30 Jikikenshiyutsuki

Publications (2)

Publication Number Publication Date
JPS51140769A true JPS51140769A (en) 1976-12-03
JPS581748B2 JPS581748B2 (en) 1983-01-12

Family

ID=13296550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50065769A Expired JPS581748B2 (en) 1975-05-30 1975-05-30 Jikikenshiyutsuki

Country Status (1)

Country Link
JP (1) JPS581748B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841370A (en) * 1981-09-07 1983-03-10 Hitachi Ltd Magnetic detection sensor
JPH01196586A (en) * 1988-02-01 1989-08-08 Sharp Corp Magnetic sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841370A (en) * 1981-09-07 1983-03-10 Hitachi Ltd Magnetic detection sensor
JPH048754B2 (en) * 1981-09-07 1992-02-18
JPH01196586A (en) * 1988-02-01 1989-08-08 Sharp Corp Magnetic sensor

Also Published As

Publication number Publication date
JPS581748B2 (en) 1983-01-12

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