DE69617334T2 - Spinventil-Magnetkopf mit magnetoresistivem Effekt und System - Google Patents

Spinventil-Magnetkopf mit magnetoresistivem Effekt und System

Info

Publication number
DE69617334T2
DE69617334T2 DE69617334T DE69617334T DE69617334T2 DE 69617334 T2 DE69617334 T2 DE 69617334T2 DE 69617334 T DE69617334 T DE 69617334T DE 69617334 T DE69617334 T DE 69617334T DE 69617334 T2 DE69617334 T2 DE 69617334T2
Authority
DE
Germany
Prior art keywords
magnetic head
magnetoresistive effect
spin valve
valve magnetic
spin
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.)
Expired - Fee Related
Application number
DE69617334T
Other languages
English (en)
Other versions
DE69617334D1 (de
Inventor
Hitoshi Kanai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69617334D1 publication Critical patent/DE69617334D1/de
Application granted granted Critical
Publication of DE69617334T2 publication Critical patent/DE69617334T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • 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
DE69617334T 1995-08-11 1996-07-10 Spinventil-Magnetkopf mit magnetoresistivem Effekt und System Expired - Fee Related DE69617334T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20560195A JP3362818B2 (ja) 1995-08-11 1995-08-11 スピンバルブ磁気抵抗効果型トランスジューサ及び磁気記録装置

Publications (2)

Publication Number Publication Date
DE69617334D1 DE69617334D1 (de) 2002-01-10
DE69617334T2 true DE69617334T2 (de) 2002-07-11

Family

ID=16509579

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617334T Expired - Fee Related DE69617334T2 (de) 1995-08-11 1996-07-10 Spinventil-Magnetkopf mit magnetoresistivem Effekt und System

Country Status (5)

Country Link
EP (1) EP0758783B1 (de)
JP (1) JP3362818B2 (de)
KR (1) KR100284779B1 (de)
CN (1) CN1065062C (de)
DE (1) DE69617334T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5880913A (en) * 1997-10-27 1999-03-09 International Business Machines Corporation Antiparallel pinned spin valve sensor with read signal symmetry
US6195240B1 (en) * 1998-07-31 2001-02-27 International Business Machines Corporation Spin valve head with diffusion barrier
JP2000057527A (ja) * 1998-08-04 2000-02-25 Alps Electric Co Ltd スピンバルブ型薄膜素子
US6282068B1 (en) 1999-03-30 2001-08-28 International Business Machines Corporation Antiparallel (AP) pinned read head with improved GMR
US6201672B1 (en) * 1999-04-26 2001-03-13 International Business Machines Corporation Spin valve sensor having improved interface between pinning layer and pinned layer structure
EP1193692B1 (de) 1999-07-05 2009-02-18 Fujitsu Limited Spinventil-magnetowiderstandseffektkopf, denselben enthaltenden zusammengesetzten magnetkopf und widerstandsaufgezeichneten mediumantrieb
US6430013B1 (en) * 1999-12-06 2002-08-06 International Business Machines Corporation Magnetoresistive structure having improved thermal stability via magnetic barrier layer within a free layer
KR20030011361A (ko) * 2000-06-22 2003-02-07 마쯔시다덴기산교 가부시키가이샤 자기 저항 효과 소자와 이것을 이용한 자기 저항 효과형헤드 및 자기 기록 재생 장치
US6624986B2 (en) 2001-03-08 2003-09-23 International Business Machines Corporation Free layer structure for a spin valve sensor with a specular reflecting layer composed of ferromagnetic oxide
JP2003309305A (ja) * 2002-04-17 2003-10-31 Alps Electric Co Ltd 磁気検出素子
CN100369117C (zh) * 2002-12-31 2008-02-13 有研稀土新材料股份有限公司 一种氧化物巨磁电阻自旋阀及包含其的设备
CN100392421C (zh) * 2004-11-10 2008-06-04 中国科学院物理研究所 用于电流过载保护器的开关型磁场传感器
WO2015182644A1 (ja) * 2014-05-30 2015-12-03 株式会社村田製作所 磁気抵抗素子、磁気センサおよび電流センサ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301079A (en) * 1992-11-17 1994-04-05 International Business Machines Corporation Current biased magnetoresistive spin valve sensor
JP2656449B2 (ja) * 1993-09-09 1997-09-24 株式会社東芝 磁気抵抗効果ヘッド
US5408377A (en) * 1993-10-15 1995-04-18 International Business Machines Corporation Magnetoresistive sensor with improved ferromagnetic sensing layer and magnetic recording system using the sensor
US5583725A (en) * 1994-06-15 1996-12-10 International Business Machines Corporation Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor
US5528440A (en) * 1994-07-26 1996-06-18 International Business Machines Corporation Spin valve magnetoresistive element with longitudinal exchange biasing of end regions abutting the free layer, and magnetic recording system using the element

Also Published As

Publication number Publication date
CN1146038A (zh) 1997-03-26
EP0758783A1 (de) 1997-02-19
KR100284779B1 (ko) 2001-03-15
DE69617334D1 (de) 2002-01-10
JPH0954916A (ja) 1997-02-25
EP0758783B1 (de) 2001-11-28
CN1065062C (zh) 2001-04-25
JP3362818B2 (ja) 2003-01-07

Similar Documents

Publication Publication Date Title
DE69426318D1 (de) Magnetowiderstandseffekt-Magnetkopf und zusammengesetzter Magnetkopf
KR970002377A (ko) 반평행 구속층과 개선된 바이어스층을 갖는 스핀 밸브 자기저항 센서와 그 센서를 이용한 자기 기록 시스템
DE69511145D1 (de) Magnetoresistiver Wiedergabekopf mit doppeltem Spin-Ventilelement
EP0687917A3 (de) Magnetoresistiver Spinventilfühler mit selbstverankerenden Laminierte Schicht und Benutzung der Fühler in einem magnetisches Aufzeichnungssystem
SG72760A1 (en) Ferromagnetic tunnel junction magnetoresistive element and magnetic head
DE69407158T2 (de) Magnetoresistive anordnung und diese verwendender magnetkopf
DE69704536D1 (de) Spin-Ventil GMR Sensor mit Austauschstabilisierung
EP0694788A3 (de) Magnetoresistives Spinventilfühler, Verfahren zur Herstellung des Fühlers und magnetisches Aufzeichnungssystem mit Benutzung des Fühlers
SG45506A1 (en) Manufacturing method of magnetic head apparatus with spin valve effect magnetoresistive head
DE69603854D1 (de) Geschalteter reluktanzmotor mit indirekter postionsmessung und magnetischer bremse
DE69825219D1 (de) Magnetowiderstandseffektfilm und Magnetowiderstandseffekttmagnetkopf
DE69617334T2 (de) Spinventil-Magnetkopf mit magnetoresistivem Effekt und System
DE69727261D1 (de) Element mit magnetoresistivem Effekt, sein Herstellungsverfahren und Magnetkopf daraus
SG65742A1 (en) Magnetic head with spin valve effect magnetoresistive element and its manufacturing method
DE69521106T2 (de) Magnetkopfvorrichtung und magnetooptische Aufzeichnungsvorrichtung
DE69722860D1 (de) Magnetkopf mit magnetoresistivem sensor und mit den magnetkopf versehende abtastvorrichtung
EP0690438A3 (de) Magneto-Widerstandseffekt-Dünnfilmmagnetkopf
DE69700656T2 (de) Senkrechter magnetkopf mit integrierter spule und herstellungsverfahren
SG63543A1 (en) Spin valve effect magnetoresistive head and its manufacturing method
DE69619166T2 (de) Magnetoresistiver Wandler mit "Spin-Valve" Struktur und Herstellungsverfahren
DE69531087D1 (de) Magnetowiderstandeffektkopf und Magnetaufzeichnungs-/Wiedergabekopf daraus
DE69715144T2 (de) Gerät für magnetische Wiedergabe mit MR-Kopf
DE69506629D1 (de) Magneto-resistiver Magnetkopf
DE69421232T2 (de) Gerät mit Magnetkopf und Herstellungsverfahren
DE69706096D1 (de) Magnetkopf und Plattenlaufwerk mit demselben

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee