JPH05250642A - 磁気抵抗効果センサ - Google Patents

磁気抵抗効果センサ

Info

Publication number
JPH05250642A
JPH05250642A JP4076774A JP7677492A JPH05250642A JP H05250642 A JPH05250642 A JP H05250642A JP 4076774 A JP4076774 A JP 4076774A JP 7677492 A JP7677492 A JP 7677492A JP H05250642 A JPH05250642 A JP H05250642A
Authority
JP
Japan
Prior art keywords
layer
film
magnetoresistive effect
magnetic field
coercive force
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
JP4076774A
Other languages
English (en)
Japanese (ja)
Inventor
Reiko Kondo
玲子 近藤
Hitoshi Iwasaki
仁志 岩崎
Junichi Akiyama
純一 秋山
Yuichi Osawa
裕一 大沢
Toshihiko Ota
俊彦 大田
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to US08/000,712 priority Critical patent/US5329413A/en
Priority to KR1019930000165A priority patent/KR0123448B1/ko
Publication of JPH05250642A publication Critical patent/JPH05250642A/ja
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • 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
    • G11B5/398—Specially shaped layers
    • 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
    • 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
    • G11B2005/3996—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 large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices
JP4076774A 1992-01-10 1992-03-31 磁気抵抗効果センサ Pending JPH05250642A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/000,712 US5329413A (en) 1992-01-10 1993-01-05 Magnetoresistance sensor magnetically coupled with high-coercive force film at two end regions
KR1019930000165A KR0123448B1 (ko) 1992-01-10 1993-01-08 자기저항효과센서

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4-3140 1992-01-10
JP314092 1992-01-10

Publications (1)

Publication Number Publication Date
JPH05250642A true JPH05250642A (ja) 1993-09-28

Family

ID=11549051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4076774A Pending JPH05250642A (ja) 1992-01-10 1992-03-31 磁気抵抗効果センサ

Country Status (2)

Country Link
JP (1) JPH05250642A (ko)
KR (1) KR0123448B1 (ko)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06309631A (ja) * 1993-04-27 1994-11-04 Nec Corp 磁気抵抗効果型ヘッド
EP0681286A2 (en) * 1994-04-21 1995-11-08 International Business Machines Corporation Dual element magnetoresistive sensor
EP0676747A3 (en) * 1994-04-07 1996-05-01 Read Rite Corp Magnetoresistive transducer with an insulating oxide exchange layer.
EP0756270A1 (en) * 1995-07-25 1997-01-29 Sony Corporation Thin-film magnetic head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0169658U (ko) * 1987-10-29 1989-05-09
JPH0417855U (ko) * 1990-06-05 1992-02-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0169658U (ko) * 1987-10-29 1989-05-09
JPH0417855U (ko) * 1990-06-05 1992-02-14

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06309631A (ja) * 1993-04-27 1994-11-04 Nec Corp 磁気抵抗効果型ヘッド
JP2722991B2 (ja) * 1993-04-27 1998-03-09 日本電気株式会社 磁気抵抗効果型ヘッド
EP0676747A3 (en) * 1994-04-07 1996-05-01 Read Rite Corp Magnetoresistive transducer with an insulating oxide exchange layer.
EP0681286A2 (en) * 1994-04-21 1995-11-08 International Business Machines Corporation Dual element magnetoresistive sensor
EP0681286A3 (en) * 1994-04-21 1996-03-06 Ibm Magnetoresistive dual element sensor.
EP0756270A1 (en) * 1995-07-25 1997-01-29 Sony Corporation Thin-film magnetic head
US5708542A (en) * 1995-07-25 1998-01-13 Sony Corporation Thin-film magnetic head

Also Published As

Publication number Publication date
KR930016787A (ko) 1993-08-30
KR0123448B1 (ko) 1997-11-20

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