DE69702013D1 - Dünnfilm-Magnetkopf - Google Patents

Dünnfilm-Magnetkopf

Info

Publication number
DE69702013D1
DE69702013D1 DE69702013T DE69702013T DE69702013D1 DE 69702013 D1 DE69702013 D1 DE 69702013D1 DE 69702013 T DE69702013 T DE 69702013T DE 69702013 T DE69702013 T DE 69702013T DE 69702013 D1 DE69702013 D1 DE 69702013D1
Authority
DE
Germany
Prior art keywords
thin film
magnetic head
film magnetic
head
thin
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 - Lifetime
Application number
DE69702013T
Other languages
English (en)
Other versions
DE69702013T2 (de
Inventor
Hiroshi Sakakima
Mitsuo Satomi
Yousuke Irie
Yasuhiro Kawawake
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69702013D1 publication Critical patent/DE69702013D1/de
Application granted granted Critical
Publication of DE69702013T2 publication Critical patent/DE69702013T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
  • Thin Magnetic Films (AREA)
DE69702013T 1996-02-22 1997-02-21 Dünnfilm-Magnetkopf Expired - Lifetime DE69702013T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3455796 1996-02-22

Publications (2)

Publication Number Publication Date
DE69702013D1 true DE69702013D1 (de) 2000-06-21
DE69702013T2 DE69702013T2 (de) 2000-10-19

Family

ID=12417624

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69702013T Expired - Lifetime DE69702013T2 (de) 1996-02-22 1997-02-21 Dünnfilm-Magnetkopf
DE69738561T Expired - Lifetime DE69738561T2 (de) 1996-02-22 1997-02-21 Dünnfilm-Magnetkopf

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69738561T Expired - Lifetime DE69738561T2 (de) 1996-02-22 1997-02-21 Dünnfilm-Magnetkopf

Country Status (4)

Country Link
US (2) US6084752A (de)
EP (2) EP0791916B1 (de)
KR (1) KR100259106B1 (de)
DE (2) DE69702013T2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6084752A (en) * 1996-02-22 2000-07-04 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head
JP3528511B2 (ja) * 1997-04-14 2004-05-17 松下電器産業株式会社 薄膜磁気ヘッド
US5901018A (en) * 1997-10-24 1999-05-04 International Business Machines Corporation Magnetic tunnel junction magnetoresistive read head with sensing layer as rear flux guide
US5898548A (en) * 1997-10-24 1999-04-27 International Business Machines Corporation Shielded magnetic tunnel junction magnetoresistive read head
JPH11316919A (ja) * 1998-04-30 1999-11-16 Hitachi Ltd スピントンネル磁気抵抗効果型磁気ヘッド
JP2002523849A (ja) 1998-08-25 2002-07-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 薄膜シールド型磁気再生ヘッド装置
JP3235572B2 (ja) * 1998-09-18 2001-12-04 日本電気株式会社 磁気抵抗効果素子，磁気抵抗効果センサ及びそれらを利用したシステム
DE19982238T1 (de) 1998-10-12 2001-02-15 Fujitsu Ltd Magnetsensor, Magnetkopf, Magnetcodierer und Festplattenvorrichtung
JP2001084537A (ja) * 1999-07-14 2001-03-30 Tdk Corp バー状ヘッド集合体、薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置
JP3618654B2 (ja) * 2000-09-11 2005-02-09 株式会社東芝 磁気抵抗効果素子、磁気ヘッド及び磁気記録再生装置
US6765767B2 (en) * 2000-11-15 2004-07-20 Seagate Technology Llc Magnetoresistive head on a side wall for increased recording densities
US6905780B2 (en) * 2001-02-01 2005-06-14 Kabushiki Kaisha Toshiba Current-perpendicular-to-plane-type magnetoresistive device, and magnetic head and magnetic recording-reproducing apparatus using the same
JP4282249B2 (ja) 2001-04-13 2009-06-17 Ｔｄｋ株式会社 磁気抵抗効果型素子およびそれを用いた薄膜磁気ヘッド、磁気ヘッド装置ならびに磁気ディスク装置
US6700752B2 (en) * 2001-04-18 2004-03-02 Seagate Technology Llc Non-magnetic metallic layer in a reader gap of a disc drive
GB2388246A (en) * 2001-04-18 2003-11-05 Seagate Technology Llc Non-magnetic metallic layer in a reader gap of a disc drive
US6771464B2 (en) 2001-10-19 2004-08-03 Seagate Technology Llc Perpendicular magnetic recording head with a laminated main write pole
US6683762B2 (en) 2002-06-11 2004-01-27 Headway Technologies, Inc. CPP GMR device with inverse GMR material
US6798621B2 (en) * 2002-08-15 2004-09-28 International Business Machines Corporation Shield electrical connections for tunnel valve sensors
US7201947B2 (en) * 2002-09-10 2007-04-10 Headway Technologies, Inc. CPP and MTJ reader design with continuous exchange-coupled free layer
JP4244312B2 (ja) * 2003-10-02 2009-03-25 株式会社東芝 磁気抵抗効果素子、磁気ヘッド及び磁気再生装置
US7382589B2 (en) * 2004-11-18 2008-06-03 Headway Technologies, Inc. CPP with elongated pinned layer
US7652853B2 (en) * 2005-07-28 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Thin shield structure for reduced protrusion in a magnetoresistive head
JP4237171B2 (ja) * 2005-09-14 2009-03-11 Ｔｄｋ株式会社 磁気抵抗効果素子および薄膜磁気ヘッド
JP2007110011A (ja) * 2005-10-17 2007-04-26 Tdk Corp 磁気抵抗効果素子、薄膜磁気ヘッド、薄膜磁気ヘッドのウエハ、ヘッドジンバルアセンブリ、ハードディスク装置、磁気メモリ素子、および磁気センサアセンブリ
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
JP4490950B2 (ja) * 2006-07-07 2010-06-30 株式会社東芝 磁気抵抗効果素子の製造方法、及び磁気抵抗効果素子
JP2008124288A (ja) * 2006-11-14 2008-05-29 Tdk Corp 磁気抵抗効果素子およびその製造方法、ならびに薄膜磁気ヘッド、ヘッドジンバルアセンブリ、ヘッドアームアセンブリおよび磁気ディスク装置
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
JP2008252008A (ja) 2007-03-30 2008-10-16 Toshiba Corp 磁気抵抗効果素子、およびその製造方法
JP2008311373A (ja) * 2007-06-13 2008-12-25 Toshiba Corp 磁性多層膜通電素子
JP5150284B2 (ja) 2008-01-30 2013-02-20 株式会社東芝 磁気抵抗効果素子およびその製造方法
JP5361201B2 (ja) 2008-01-30 2013-12-04 株式会社東芝 磁気抵抗効果素子の製造方法
JP5032430B2 (ja) * 2008-09-26 2012-09-26 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
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
JP5032429B2 (ja) * 2008-09-26 2012-09-26 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
US8593766B2 (en) 2011-02-22 2013-11-26 Tdk Corporation Magneto-resistive effect element having spacer layer including main spacer layer containing gallium oxide and metal intermediate layer
US8498083B2 (en) 2011-03-16 2013-07-30 Tdk Corporation Magneto-resistive effect element having spacer layer containing gallium oxide, partially oxidized copper
JP2012204432A (ja) * 2011-03-24 2012-10-22 Toshiba Corp 磁気ランダムアクセスメモリ及びその製造方法
GB2550593A (en) * 2016-05-24 2017-11-29 Vacuumschmelze Gmbh & Co Kg Soft magnetic laminated core, method of producing a laminated core for a stator and/or rotor of an electric machine
CA3056584A1 (en) 2017-03-17 2018-09-20 Novadelta - Comercio E Industria De Cafes, S.A. Beverage distribution disposition, system with said disposition and process of operation of said system

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US4881143A (en) * 1988-01-19 1989-11-14 Hewlett-Packard Company Compensated magneto-resistive read head
US5247413A (en) * 1990-05-16 1993-09-21 Sony Corporation Magnetoresistance effect type thin film magnetic head with noise reducing electrode
US5390061A (en) * 1990-06-08 1995-02-14 Hitachi, Ltd. Multilayer magnetoresistance effect-type magnetic head
US5311385A (en) * 1991-12-18 1994-05-10 Minnesota Mining And Manufacturing Company Magnetoresistive head with integrated bias and magnetic shield layer
JPH05225528A (ja) * 1992-02-07 1993-09-03 Hitachi Ltd 磁気記録再生装置
JPH07240012A (ja) * 1993-11-30 1995-09-12 Sony Corp 磁気抵抗効果型磁気ヘッド及びその製造方法
US5446613A (en) * 1994-02-28 1995-08-29 Read-Rite Corporation Magnetic head assembly with MR sensor
US5435053A (en) * 1994-03-02 1995-07-25 International Business Machines Corporation Simplified method of making merged MR head
JPH07296336A (ja) * 1994-04-28 1995-11-10 Sony Corp 磁気抵抗効果型磁気ヘッドの製造方法
US5576914A (en) * 1994-11-14 1996-11-19 Read-Rite Corporation Compact read/write head having biased GMR element
US5648885A (en) * 1995-08-31 1997-07-15 Hitachi, Ltd. Giant magnetoresistive effect sensor, particularly having a multilayered magnetic thin film layer
US6219205B1 (en) * 1995-10-10 2001-04-17 Read-Rite Corporation High density giant magnetoresistive transducer with recessed sensor
JP3293437B2 (ja) * 1995-12-19 2002-06-17 松下電器産業株式会社 磁気抵抗効果素子、磁気抵抗効果型ヘッド及びメモリー素子
EP0782129A3 (de) * 1995-12-29 1998-12-09 Read-Rite Corporation Magnetoresistiver Wandler mit CCP-Mode mit mehreren Spin-Ventilteilen
US5712612A (en) * 1996-01-02 1998-01-27 Hewlett-Packard Company Tunneling ferrimagnetic magnetoresistive sensor
US6084752A (en) * 1996-02-22 2000-07-04 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head
US5764567A (en) * 1996-11-27 1998-06-09 International Business Machines Corporation Magnetic tunnel junction device with nonferromagnetic interface layer for improved magnetic field response
US5801984A (en) * 1996-11-27 1998-09-01 International Business Machines Corporation Magnetic tunnel junction device with ferromagnetic multilayer having fixed magnetic moment
US5729410A (en) * 1996-11-27 1998-03-17 International Business Machines Corporation Magnetic tunnel junction device with longitudinal biasing
US5898547A (en) * 1997-10-24 1999-04-27 International Business Machines Corporation Magnetic tunnel junction magnetoresistive read head with sensing layer as flux guide
US5898548A (en) * 1997-10-24 1999-04-27 International Business Machines Corporation Shielded magnetic tunnel junction magnetoresistive read head

Also Published As

Publication number Publication date
KR970063044A (ko) 1997-09-12
DE69738561D1 (de) 2008-04-24
KR100259106B1 (ko) 2000-06-15
EP0791916A3 (de) 1998-02-25
DE69702013T2 (de) 2000-10-19
DE69738561T2 (de) 2009-04-02
EP0791916B1 (de) 2000-05-17
US20010012186A1 (en) 2001-08-09
EP0791916A2 (de) 1997-08-27
US6400537B2 (en) 2002-06-04
EP0866444B1 (de) 2008-03-12
US6084752A (en) 2000-07-04
EP0866444A1 (de) 1998-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP