SG47223A1 - Magnetoresistance effect element - Google Patents

Magnetoresistance effect element

Info

Publication number
SG47223A1
SG47223A1 SG1997001345A SG1997001345A SG47223A1 SG 47223 A1 SG47223 A1 SG 47223A1 SG 1997001345 A SG1997001345 A SG 1997001345A SG 1997001345 A SG1997001345 A SG 1997001345A SG 47223 A1 SG47223 A1 SG 47223A1
Authority
SG
Singapore
Prior art keywords
effect element
magnetoresistance effect
magnetoresistance
effect
Prior art date
Application number
SG1997001345A
Other languages
English (en)
Inventor
Yuzo Kamiguchi
Akiko Saito
Kazuhiro Saito
Hideaki Fukuzawa
Hitoshi Iwasaki
Masashi Sahashi
Original Assignee
Toshiba Kk
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 Kk filed Critical Toshiba Kk
Publication of SG47223A1 publication Critical patent/SG47223A1/en

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
    • 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
    • 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
    • G11B5/3909—Arrangements using a magnetic tunnel junction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices
    • 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
    • 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
    • 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
    • G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Hall/Mr Elements (AREA)
  • Thin Magnetic Films (AREA)
  • Magnetic Heads (AREA)
SG1997001345A 1996-04-30 1997-04-29 Magnetoresistance effect element SG47223A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10906896 1996-04-30

Publications (1)

Publication Number Publication Date
SG47223A1 true SG47223A1 (en) 1998-03-20

Family

ID=14500792

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997001345A SG47223A1 (en) 1996-04-30 1997-04-29 Magnetoresistance effect element

Country Status (7)

Country Link
US (2) US5949622A (zh)
KR (1) KR100262282B1 (zh)
CN (1) CN1083597C (zh)
IN (1) IN191436B (zh)
MY (1) MY121610A (zh)
SG (1) SG47223A1 (zh)
TW (1) TW367493B (zh)

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US5923503A (en) * 1995-03-15 1999-07-13 Alps Electric Co., Ltd. Thin-film magnetic head and production method thereof
US6690553B2 (en) 1996-08-26 2004-02-10 Kabushiki Kaisha Toshiba Magnetoresistance effect device, magnetic head therewith, magnetic recording/reproducing head, and magnetic storing apparatus
JP3730366B2 (ja) * 1997-07-03 2006-01-05 株式会社東芝 薄膜磁気素子
JP3833362B2 (ja) * 1997-10-01 2006-10-11 富士通株式会社 磁気抵抗効果型ヘッド
FR2774774B1 (fr) * 1998-02-11 2000-03-03 Commissariat Energie Atomique Magnetoresistance a effet tunnel et capteur magnetique utilisant une telle magnetoresistance
US6639764B2 (en) * 1998-07-21 2003-10-28 Alps Electric Co., Ltd. Spin-valve magnetoresistive thin film element
DE19840823C1 (de) * 1998-09-07 2000-07-13 Siemens Ag Magnetoresistives Element und dessen Verwendung als Speicherelement in einer Speicherzellenanordnung
US6446099B1 (en) 1998-09-30 2002-09-03 Ricoh Co., Ltd. Document matching using structural information
US6542342B1 (en) * 1998-11-30 2003-04-01 Nec Corporation Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer
US6348274B1 (en) * 1998-12-28 2002-02-19 Kabushiki Kaisha Toshiba Magnetoresistive element and magnetic recording apparatus
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US6567246B1 (en) * 1999-03-02 2003-05-20 Matsushita Electric Industrial Co., Ltd. Magnetoresistance effect element and method for producing the same, and magnetoresistance effect type head, magnetic recording apparatus, and magnetoresistance effect memory element
US6219274B1 (en) * 1999-06-08 2001-04-17 Tdk Corporation Ferromagnetic tunnel magnetoresistance effect element and method of producing the same
WO2001007926A1 (en) * 1999-07-22 2001-02-01 Koninklijke Philips Electronics N.V. Method of manufacturing a magnetic tunnel junction device
JP3331397B2 (ja) * 1999-07-23 2002-10-07 ティーディーケイ株式会社 トンネル磁気抵抗効果素子
KR100373473B1 (ko) 1999-09-24 2003-02-25 가부시끼가이샤 도시바 자기 저항 효과 소자, 자기 저항 효과 헤드, 자기 재생장치 및 자성 적층체
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
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US6853520B2 (en) * 2000-09-05 2005-02-08 Kabushiki Kaisha Toshiba Magnetoresistance effect element
JP4693292B2 (ja) 2000-09-11 2011-06-01 株式会社東芝 強磁性トンネル接合素子およびその製造方法
US6937446B2 (en) * 2000-10-20 2005-08-30 Kabushiki Kaisha Toshiba Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system
JP3498737B2 (ja) * 2001-01-24 2004-02-16 ヤマハ株式会社 磁気センサの製造方法
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US6836392B2 (en) * 2001-04-24 2004-12-28 Hitachi Global Storage Technologies Netherlands, B.V. Stability-enhancing underlayer for exchange-coupled magnetic structures, magnetoresistive sensors, and magnetic disk drive systems
KR100407907B1 (ko) * 2001-05-15 2003-12-03 한국과학기술연구원 자기 터널 접합 소자의 열처리 방법과 그 방법으로 제조된자기 터널 접합 소자
JP3590006B2 (ja) * 2001-06-22 2004-11-17 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
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US20030072970A1 (en) * 2001-10-05 2003-04-17 Headway Technologies, Inc. Layered structure for magnetic recording heads
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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
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
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
US8648589B2 (en) * 2009-10-16 2014-02-11 HGST Netherlands B.V. Magnetoresistive sensor employing nitrogenated Cu/Ag under-layers with (100) textured growth as templates for CoFe, CoFeX, and Co2(MnFe)X alloys
US8351151B2 (en) * 2010-11-02 2013-01-08 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted magnetic write head employing a near field transducer (NFT) having a diffusion barrier layer between the near field transducer and a magnetic lip
US9099115B2 (en) * 2013-11-12 2015-08-04 HGST Netherlands B.V. Magnetic sensor with doped ferromagnetic cap and/or underlayer
JP2015179779A (ja) * 2014-03-19 2015-10-08 株式会社東芝 歪検出素子、圧力センサ、マイクロフォン、血圧センサ及びタッチパネル
CN112864309B (zh) * 2019-11-12 2022-11-08 上海磁宇信息科技有限公司 磁性隧道结结构及其磁性随机存储器
CN111996493B (zh) * 2020-07-08 2021-10-15 中国科学院西安光学精密机械研究所 一种提高各向异性磁电阻磁阻率的制备方法
JP2022119230A (ja) * 2021-02-04 2022-08-17 昭和電工株式会社 磁気記録媒体、磁気記録再生装置及び磁気記録媒体の製造方法

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US5549978A (en) * 1992-10-30 1996-08-27 Kabushiki Kaisha Toshiba Magnetoresistance effect element
US5287238A (en) * 1992-11-06 1994-02-15 International Business Machines Corporation Dual spin valve magnetoresistive sensor
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EP0676746B1 (en) * 1994-03-09 1999-08-04 Eastman Kodak Company Spin-valve dual magnetoresistive reproduce head
EP0677750A3 (en) * 1994-04-15 1996-04-24 Hewlett Packard Co Giant magnetoresistive sensor with an insulating pinning layer.
US5648885A (en) * 1995-08-31 1997-07-15 Hitachi, Ltd. Giant magnetoresistive effect sensor, particularly having a multilayered magnetic thin film layer

Also Published As

Publication number Publication date
MY121610A (en) 2006-02-28
KR970071484A (ko) 1997-11-07
TW367493B (en) 1999-08-21
US5949622A (en) 1999-09-07
CN1083597C (zh) 2002-04-24
CN1167310A (zh) 1997-12-10
US6111729A (en) 2000-08-29
KR100262282B1 (ko) 2000-10-02
IN191436B (zh) 2003-12-06

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