JP2793505B2 - 粒状磁気抵抗膜を形成する方法、粒状磁気抵抗センサ及び多層粒状磁気抵抗膜 - Google Patents

粒状磁気抵抗膜を形成する方法、粒状磁気抵抗センサ及び多層粒状磁気抵抗膜

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Publication number
JP2793505B2
JP2793505B2 JP6134650A JP13465094A JP2793505B2 JP 2793505 B2 JP2793505 B2 JP 2793505B2 JP 6134650 A JP6134650 A JP 6134650A JP 13465094 A JP13465094 A JP 13465094A JP 2793505 B2 JP2793505 B2 JP 2793505B2
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JP
Japan
Prior art keywords
layer
ferromagnetic
magnetic
granular
particles
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
JP6134650A
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English (en)
Japanese (ja)
Other versions
JPH0758375A (ja
Inventor
ケビン・ロバート・コフェイ
ジェームス・ケント・ハワード
トッド・ラニア・ヒルトン
マイケル・アンドリュー・パーカー
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.)
International Business Machines Corp
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International Business Machines Corp
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Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPH0758375A publication Critical patent/JPH0758375A/ja
Application granted granted Critical
Publication of JP2793505B2 publication Critical patent/JP2793505B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09Magnetoresistive devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09Magnetoresistive devices
    • G01R33/093Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B5/3903Structure 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/007Thin magnetic films, e.g. of one-domain structure ultrathin or granular films
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/32Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/3227Exchange coupling via one or more magnetisable ultrathin or granular films
    • H01F10/3231Exchange coupling via one or more magnetisable ultrathin or granular films via a non-magnetic spacer
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/80Constructional details
    • H10N50/85Materials of the active region
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B2005/3996Structure 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Physical Vapour Deposition (AREA)
  • Magnetic Heads (AREA)
JP6134650A 1993-06-18 1994-06-16 粒状磁気抵抗膜を形成する方法、粒状磁気抵抗センサ及び多層粒状磁気抵抗膜 Expired - Fee Related JP2793505B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7965693A 1993-06-18 1993-06-18
US079656 1993-06-18

Publications (2)

Publication Number Publication Date
JPH0758375A JPH0758375A (ja) 1995-03-03
JP2793505B2 true JP2793505B2 (ja) 1998-09-03

Family

ID=22151959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6134650A Expired - Fee Related JP2793505B2 (ja) 1993-06-18 1994-06-16 粒状磁気抵抗膜を形成する方法、粒状磁気抵抗センサ及び多層粒状磁気抵抗膜

Country Status (4)

Country Link
US (1) US6016241A (enExample)
EP (1) EP0629998A2 (enExample)
JP (1) JP2793505B2 (enExample)
SG (1) SG49605A1 (enExample)

Families Citing this family (29)

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JP3669457B2 (ja) 1996-03-19 2005-07-06 富士通株式会社 磁気記録媒体及びその製造方法
US6214434B1 (en) * 1997-09-02 2001-04-10 Seagate Technology Llc Isolated single-domain high-density magnetic recording media and method of manufacturing the media
JP3024612B2 (ja) * 1997-10-23 2000-03-21 日本電気株式会社 磁気抵抗効果素子およびその製造方法
JP4496320B2 (ja) * 1999-03-25 2010-07-07 独立行政法人産業技術総合研究所 磁気抵抗効果薄膜
JP2000339635A (ja) * 1999-05-31 2000-12-08 Toshiba Corp 磁気ヘッド及び磁気記録再生装置
US6610602B2 (en) 1999-06-29 2003-08-26 The Research Foundation Of State University Of New York Magnetic field sensor and method of manufacturing same using a self-organizing polymer mask
JP2001076331A (ja) * 1999-09-02 2001-03-23 Toshiba Corp 磁気記録媒体及び磁気記録再生装置
US6590751B1 (en) * 1999-09-30 2003-07-08 Headway Technologies, Inc. Anisotropic magnetoresistive (MR) sensor element with enhanced magnetoresistive (MR) coefficient
US6727105B1 (en) * 2000-02-28 2004-04-27 Hewlett-Packard Development Company, L.P. Method of fabricating an MRAM device including spin dependent tunneling junction memory cells
JP2002150512A (ja) * 2000-11-08 2002-05-24 Sony Corp 磁気抵抗効果素子および磁気抵抗効果型磁気ヘッド
US6794862B2 (en) * 2001-05-08 2004-09-21 Ramot At Tel-Aviv University Ltd. Magnetic thin film sensor based on the extraordinary hall effect
JP2003198004A (ja) * 2001-12-27 2003-07-11 Fujitsu Ltd 磁気抵抗効果素子
US7964924B2 (en) * 2002-05-24 2011-06-21 National Institute Of Advanced Industrial Science And Technology Magnetoresistance effect device and magnetism sensor using the same
US7538987B2 (en) * 2003-07-03 2009-05-26 University Of Alabama CPP spin-valve element
JP4786331B2 (ja) 2005-12-21 2011-10-05 株式会社東芝 磁気抵抗効果素子の製造方法
JP4514721B2 (ja) * 2006-02-09 2010-07-28 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気抵抗効果ヘッド、磁気記録再生装置及び磁気記憶装置
JP2007299880A (ja) * 2006-04-28 2007-11-15 Toshiba Corp 磁気抵抗効果素子,および磁気抵抗効果素子の製造方法
JP4550777B2 (ja) 2006-07-07 2010-09-22 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッド、磁気記録再生装置及び磁気メモリ
JP5044157B2 (ja) * 2006-07-11 2012-10-10 株式会社東芝 磁気抵抗効果素子,磁気ヘッド,および磁気再生装置
JP2008085220A (ja) * 2006-09-28 2008-04-10 Toshiba Corp 磁気抵抗効果素子、磁気ヘッド、および磁気再生装置
RU2316078C1 (ru) * 2006-10-13 2008-01-27 Институт физики металлов УрО РАН Магниторезистивный датчик
RU2386174C2 (ru) * 2006-12-28 2010-04-10 Валерий Андреевич Базыленко Способ защиты от подделок и контроля подлинности ценных изделий
JP4388093B2 (ja) 2007-03-27 2009-12-24 株式会社東芝 磁気抵抗効果素子、磁気ヘッド、磁気記録再生装置
JP5039007B2 (ja) 2008-09-26 2012-10-03 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッドアセンブリ及び磁気記録再生装置
JP5039006B2 (ja) 2008-09-26 2012-10-03 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッドアセンブリ及び磁気記録再生装置
JP2010080839A (ja) 2008-09-29 2010-04-08 Toshiba Corp 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッドアセンブリおよび磁気記録再生装置
KR101684915B1 (ko) * 2010-07-26 2016-12-12 삼성전자주식회사 자기 기억 소자
JP5879854B2 (ja) * 2011-09-16 2016-03-08 株式会社豊田中央研究所 ナノヘテロ構造磁気抵抗素子、その製造方法、および磁気センサ
JP5850308B2 (ja) * 2011-09-16 2016-02-03 株式会社豊田中央研究所 ナノヘテロ構造軟磁性材料およびその製造方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
US5043693A (en) 1990-08-13 1991-08-27 The United States Of America As Represented By The Secretary Of The Navy Heterogeneous magnetoresistive layer

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JPS58166510A (ja) * 1982-03-29 1983-10-01 Toshiba Corp 磁気再生装置
US4663242A (en) * 1983-05-27 1987-05-05 Olin Corporation Method for producing a metal alloy strip
JPH07105006B2 (ja) * 1985-11-05 1995-11-13 ソニー株式会社 磁気抵抗効果型磁気ヘツド
DE3884756T2 (de) * 1987-05-20 1994-05-05 Matsushita Electric Ind Co Ltd Verfahren zur herstellung eines dünnen films von basismetall und dessen verwendung.
DE3820475C1 (enExample) * 1988-06-16 1989-12-21 Kernforschungsanlage Juelich Gmbh, 5170 Juelich, De
US4914538A (en) * 1988-08-18 1990-04-03 International Business Machines Corporation Magnetoresistive read transducer
JPH03155102A (ja) * 1989-11-13 1991-07-03 Mitsubishi Electric Corp 高導電性磁性材料
US5206590A (en) * 1990-12-11 1993-04-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
US5159513A (en) * 1991-02-08 1992-10-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
US5268043A (en) * 1991-08-02 1993-12-07 Olin Corporation Magnetic sensor wire
EP0646277A1 (en) * 1992-06-16 1995-04-05 The Regents Of The University Of California Giant magnetoresistant single film alloys

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US5043693A (en) 1990-08-13 1991-08-27 The United States Of America As Represented By The Secretary Of The Navy Heterogeneous magnetoresistive layer

Also Published As

Publication number Publication date
EP0629998A2 (en) 1994-12-21
EP0629998A3 (enExample) 1995-01-04
US6016241A (en) 2000-01-18
SG49605A1 (en) 1998-06-15
JPH0758375A (ja) 1995-03-03

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