DE60034304D1 - Magnetoresistiver Mehrlagenfilm, magnetoresistiver Kopf und Informationswiedergabegerät - Google Patents

Magnetoresistiver Mehrlagenfilm, magnetoresistiver Kopf und Informationswiedergabegerät

Info

Publication number
DE60034304D1
DE60034304D1 DE60034304T DE60034304T DE60034304D1 DE 60034304 D1 DE60034304 D1 DE 60034304D1 DE 60034304 T DE60034304 T DE 60034304T DE 60034304 T DE60034304 T DE 60034304T DE 60034304 D1 DE60034304 D1 DE 60034304D1
Authority
DE
Germany
Prior art keywords
magnetoresistive
reproducing apparatus
multilayer film
information reproducing
head
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
DE60034304T
Other languages
English (en)
Other versions
DE60034304T2 (de
Inventor
Hong Jongill
Kenichi Aoshima
Kenji Noma
Junichi Kane
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
Application granted granted Critical
Publication of DE60034304D1 publication Critical patent/DE60034304D1/de
Publication of DE60034304T2 publication Critical patent/DE60034304T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/30—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
    • H01F41/302—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • 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
    • H10N50/01—Manufacture or treatment
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
    • H01F41/325—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film applying a noble metal capping on a spin-exchange-coupled multilayer, e.g. spin filter deposition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/911—Penetration resistant layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive
    • Y10T428/1114—Magnetoresistive having tunnel junction effect
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive
    • Y10T428/1121—Multilayer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
DE60034304T 2000-02-10 2000-11-13 Magnetoresistiver Mehrlagenfilm, magnetoresistiver Kopf und Informationswiedergabegerät Expired - Fee Related DE60034304T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000033698 2000-02-10
JP2000033698A JP2001229511A (ja) 2000-02-10 2000-02-10 磁気抵抗効果膜、磁気抵抗効果型ヘッド、情報再生装置、および磁気抵抗効果膜製造方法

Publications (2)

Publication Number Publication Date
DE60034304D1 true DE60034304D1 (de) 2007-05-24
DE60034304T2 DE60034304T2 (de) 2007-12-20

Family

ID=18558145

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60034304T Expired - Fee Related DE60034304T2 (de) 2000-02-10 2000-11-13 Magnetoresistiver Mehrlagenfilm, magnetoresistiver Kopf und Informationswiedergabegerät

Country Status (5)

Country Link
US (1) US6759120B2 (de)
EP (1) EP1124273B1 (de)
JP (1) JP2001229511A (de)
KR (1) KR100650532B1 (de)
DE (1) DE60034304T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6700753B2 (en) * 2000-04-12 2004-03-02 Seagate Technology Llc Spin valve structures with specular reflection layers
WO2002050924A1 (fr) * 2000-12-21 2002-06-27 Fujitsu Limited Dispositif magnetoresistant, tete magnetique et lecteur de disque magnetique
US6700757B2 (en) * 2001-01-02 2004-03-02 Hitachi Global Storage Technologies Netherlands B.V. Enhanced free layer for a spin valve sensor
US6709767B2 (en) * 2001-07-31 2004-03-23 Hitachi Global Storage Technologies Netherlands B.V. In-situ oxidized films for use as cap and gap layers in a spin-valve sensor and methods of manufacture
KR100448989B1 (ko) * 2001-10-10 2004-09-18 한국과학기술연구원 열적 특성이 향상된 탑형 및 바톰형 스핀밸브 자기저항박막 및 그 제조방법
US7038891B2 (en) * 2002-01-02 2006-05-02 International Business Machines Corporation Method and apparatus for providing precise control of magnetic coupling field in NiMn top spin valve heads and amplitude enhancement
US6937448B2 (en) * 2002-11-13 2005-08-30 Hitachi Global Storage Technologies Netherlands, B.V. Spin valve having copper oxide spacer layer with specified coupling field strength between multi-layer free and pinned layer structures
US6913782B2 (en) * 2002-12-03 2005-07-05 Hitachi Global Storage Technologies Netherlands B.V. Fabrication of self-aligned reflective/protective overlays on magnetoresistance sensors, and the sensors
US7183893B2 (en) * 2004-02-04 2007-02-27 Seagate Technology Llc TMR sensor with oxidized alloy barrier layer and method for forming the same
US7396499B2 (en) * 2004-09-28 2008-07-08 Thomas E Frankel Multiple layered membrane with fluorine containing polymer layer
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
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
US8519703B2 (en) * 2008-03-20 2013-08-27 Infineon Technologies Ag Magnetic sensor device and method of determining resistance values
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
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
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
US8570690B2 (en) 2011-06-20 2013-10-29 HGST Netherlands B.V. Magnetic sensor having a hard bias seed structure
US20170221506A1 (en) 2016-02-02 2017-08-03 Seagate Technology Llc Thin Data Reader Cap
KR102574163B1 (ko) 2016-08-31 2023-09-06 삼성전자주식회사 자기 메모리 장치
KR101872633B1 (ko) * 2017-01-09 2018-06-28 삼성전기주식회사 공통 모드 필터
US10777345B2 (en) * 2018-02-21 2020-09-15 Allegro Microsystems, Llc Spin valve with bias alignment

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US5206590A (en) * 1990-12-11 1993-04-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
FR2712429B1 (fr) 1993-11-12 1996-01-26 Michel Jean Robert Lagues Materiau supraconducteur constitue de couches monomoleculaires superposees
KR0153311B1 (ko) * 1994-04-06 1998-12-15 가나이 쯔도무 자기 저항 효과형 박막 자기 헤드 및 그 제조 방법
JPH1041561A (ja) 1996-07-25 1998-02-13 Sanyo Electric Co Ltd 磁気抵抗効果素子
JP3291208B2 (ja) * 1996-10-07 2002-06-10 アルプス電気株式会社 磁気抵抗効果型センサおよびその製造方法とそのセンサを備えた磁気ヘッド
US6245450B1 (en) * 1997-11-17 2001-06-12 Matsushita Electric Industrial Co., Ltd. Exchange coupling film magnetoresistance effect device magnetoresistance effective head and method for producing magnetoresistance effect device
JP2000215415A (ja) * 1999-01-26 2000-08-04 Nec Corp 磁気抵抗効果素子
US6636389B2 (en) 2001-08-03 2003-10-21 International Business Machines Corporation GMR magnetic transducer with nano-oxide exchange coupled free layers

Also Published As

Publication number Publication date
KR20010081971A (ko) 2001-08-29
DE60034304T2 (de) 2007-12-20
EP1124273A2 (de) 2001-08-16
KR100650532B1 (ko) 2006-11-27
US6759120B2 (en) 2004-07-06
EP1124273B1 (de) 2007-04-11
JP2001229511A (ja) 2001-08-24
EP1124273A3 (de) 2002-07-03
US20010014412A1 (en) 2001-08-16

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Legal Events

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8339 Ceased/non-payment of the annual fee