DE19811857B4 - Magnetoresistiver Kopf - Google Patents

Magnetoresistiver Kopf Download PDF

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Publication number
DE19811857B4
DE19811857B4 DE19811857A DE19811857A DE19811857B4 DE 19811857 B4 DE19811857 B4 DE 19811857B4 DE 19811857 A DE19811857 A DE 19811857A DE 19811857 A DE19811857 A DE 19811857A DE 19811857 B4 DE19811857 B4 DE 19811857B4
Authority
DE
Germany
Prior art keywords
magnetoresistive head
magnetoresistive
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
DE19811857A
Other languages
English (en)
Other versions
DE19811857A1 (de
Inventor
Hitoshi Iwasaki
Yuzo Kamiguchi
Masashi Sahashi
Hiroaki Yoda
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Corp filed Critical Toshiba Corp
Publication of DE19811857A1 publication Critical patent/DE19811857A1/de
Application granted granted Critical
Publication of DE19811857B4 publication Critical patent/DE19811857B4/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
    • 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
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • 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
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
    • G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin films
    • 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
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • 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
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure
    • G11B5/3156—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure providing interaction by induced or exchange coupling
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
    • G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
    • G11B5/3183—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes intersecting the gap plane, e.g. "horizontal head structure"

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
DE19811857A 1997-03-18 1998-03-18 Magnetoresistiver Kopf Expired - Fee Related DE19811857B4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6447497 1997-03-18

Publications (2)

Publication Number Publication Date
DE19811857A1 DE19811857A1 (de) 1998-10-08
DE19811857B4 true DE19811857B4 (de) 2005-10-20

Family

ID=13259272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19811857A Expired - Fee Related DE19811857B4 (de) 1997-03-18 1998-03-18 Magnetoresistiver Kopf

Country Status (2)

Country Link
US (1) US6064552A (de)
DE (1) DE19811857B4 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6341642B1 (en) 1997-07-01 2002-01-29 Ipsco Enterprises Inc. Controllable variable magnetic field apparatus for flow control of molten steel in a casting mold
US6307708B1 (en) * 1998-03-17 2001-10-23 Kabushiki Kaisha Toshiba Exchange coupling film having a plurality of local magnetic regions, magnetic sensor having the exchange coupling film, and magnetic head having the same
JP3075253B2 (ja) * 1998-03-31 2000-08-14 日本電気株式会社 スピンバルブ型感磁素子及びこれを用いた磁気ヘッド並びに磁気ディスク装置
JP2000113437A (ja) * 1998-10-08 2000-04-21 Read Rite Smi Kk 磁気ヘッド装置の製造方法、磁気ヘッド装置、並びに、磁気ヘッド装置の中間製造物
FR2786909B1 (fr) * 1998-12-03 2001-01-05 Jean Pierre Lazarri Tete magnetique de lecture a magnetoresistance geante pour hautes densites d'informations
FR2788159B1 (fr) * 1999-01-06 2001-02-09 Information Technology Dev Procede de fabrication d'une tete de lecture planaire miniaturisee a magnetoresistance geante
JP2000285417A (ja) * 1999-03-31 2000-10-13 Matsushita Electric Ind Co Ltd 薄膜磁気ヘッド
DE19983944T1 (de) * 1999-04-14 2002-03-21 Seagate Technology Llc Hochempfindliche Spin-Valve-Köpfe mit einem selbstausgerichteten Demagnetisierungsfeld-Ausgleichselement
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
JP3807592B2 (ja) * 1999-06-24 2006-08-09 松下電器産業株式会社 記録再生ヘッドおよびそれを備えた記録再生装置
JP2001067628A (ja) * 1999-09-01 2001-03-16 Nec Corp 磁気抵抗効果素子と磁気抵抗効果素子の製造方法および磁気抵抗検出システムならびに磁気記録システム
US6785100B2 (en) * 2000-04-10 2004-08-31 Matsushita Electric Industrial Co., Ltd. Magnetic head comprising a multilayer magnetoresistive device and a yoke for introducing magnetic flux from a medium to the magnetoresistive device
JP3575683B2 (ja) 2000-10-05 2004-10-13 松下電器産業株式会社 多素子型磁気抵抗素子
JP3604617B2 (ja) * 2000-06-12 2004-12-22 富士通株式会社 磁気検出素子
US6539610B1 (en) * 2000-07-14 2003-04-01 International Business Machines Corporation Method for manufacturing a magnetic write head
JP2002074623A (ja) 2000-08-31 2002-03-15 Toshiba Corp 水平ヨーク型磁気ヘッドおよび磁気記録装置ならびに磁気再生装置
KR100463616B1 (ko) * 2000-08-31 2004-12-29 가부시끼가이샤 도시바 요크형 자기 헤드 및 자기 디스크 유닛
US20020145832A1 (en) * 2001-04-04 2002-10-10 Seagate Technology Llc Perpendicular magnetic recording head with soft underlayer biasing
US6597546B2 (en) 2001-04-19 2003-07-22 International Business Machines Corporation Tunnel junction sensor with an antiferromagnetic (AFM) coupled flux guide
JP2002368306A (ja) * 2001-06-07 2002-12-20 Canon Inc 磁気抵抗効果膜およびそれを用いたメモリ
US6724587B2 (en) 2001-06-11 2004-04-20 International Business Machines Corporation Low temperature yoke type tunnel valve sensor
JP3937388B2 (ja) * 2001-08-10 2007-06-27 富士通株式会社 磁気センサ及び磁気ヘッド
FR2830971B1 (fr) * 2001-10-12 2004-03-12 Commissariat Energie Atomique Dispositif magnetoresistif a vanne de spin a performances ameliorees
JP2003198004A (ja) * 2001-12-27 2003-07-11 Fujitsu Ltd 磁気抵抗効果素子
JP4079271B2 (ja) * 2002-03-28 2008-04-23 富士通株式会社 磁気抵抗センサの製造方法
US7054118B2 (en) * 2002-03-28 2006-05-30 Nve Corporation Superparamagnetic field sensing devices
JP2003318460A (ja) * 2002-04-24 2003-11-07 Alps Electric Co Ltd 磁気検出素子及びその製造方法
US7266553B1 (en) * 2002-07-01 2007-09-04 Microsoft Corporation Content data indexing
JP2004103769A (ja) * 2002-09-09 2004-04-02 Fujitsu Ltd Ｃｐｐ構造磁気抵抗効果素子
US6919280B2 (en) * 2002-10-15 2005-07-19 Hitachi Global Storage Technologies Netherlands B.V. Method of removing magnetoresistive sensor cap by reactive ion etching
US7035059B2 (en) * 2003-07-18 2006-04-25 Hitachi Global Storage Technologies, Netherland B.V. Head with self-pinned structure having pinned layer extending beyond track edges of the free layer
US7227728B2 (en) * 2003-08-29 2007-06-05 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for a current-perpendicular-to-plane Giant Magneto-Resistance sensor with embedded composite film
US7324310B2 (en) * 2004-04-30 2008-01-29 Hitachi Global Storage Technologies Netherlands B.V. Self-pinned dual CPP sensor exchange pinned at stripe back-end to avoid amplitude flipping
US7268981B2 (en) * 2004-04-30 2007-09-11 Hitachi Global Storage Technologies Netherlands B.V. Spin valve sensor having antiferromagnetic (AFM) pinning layer structures formed in the end regions
US7349185B2 (en) * 2004-07-30 2008-03-25 Hitachi Global Storage Technologies Netherlands, B.V. Three terminal magnetic sensor for magnetic heads with a semiconductor junction
US7367110B2 (en) * 2004-09-27 2008-05-06 Hitachi Global Storage Technologies Netherlands B.V. Method of fabricating a read head having shaped read sensor-biasing layer junctions using partial milling
US20060114620A1 (en) * 2004-11-30 2006-06-01 Tdk Corporation Granular type free layer and magnetic head
KR100634540B1 (ko) * 2005-03-24 2006-10-13 삼성전자주식회사 자기 기록 헤드 및 그 제조방법
US7719801B2 (en) * 2006-04-18 2010-05-18 Hitachi Global Storage Technologies Netherlands, B.V. Magnetoresistive (MR) element having a continuous flux guide defined by the free layer
JP4877095B2 (ja) * 2007-06-25 2012-02-15 Ｔｄｋ株式会社 電流センサおよびその製造方法
US8711524B2 (en) * 2008-02-05 2014-04-29 Headway Technologies, Inc. Patterned MR device with controlled shape anisotropy

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269129A2 (de) * 1986-11-28 1988-06-01 Nec Corporation Dünnfilmmagnetkopf
US5463516A (en) * 1992-06-23 1995-10-31 Thomson-Csf Magnetoresistive transducer or magnetic read head including a layer of composite material including conducting magnetic particles in an insulating material

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390061A (en) * 1990-06-08 1995-02-14 Hitachi, Ltd. Multilayer magnetoresistance effect-type magnetic head
US5508868A (en) * 1993-01-25 1996-04-16 Read-Rite Corporation Dual element magnetoresistive sensing head having in-gap flux guide and flux closure piece with particular connection of magnetoresistive sensing elements to differential amplifier
US5736921A (en) * 1994-03-23 1998-04-07 Sanyo Electric Co., Ltd. Magnetoresistive element
US5818323A (en) * 1994-09-09 1998-10-06 Sanyo Electric Co., Ltd. Magnetoresistive device
JPH08138215A (ja) * 1994-09-16 1996-05-31 Toshiba Corp 磁気抵抗型ヘッドおよびそれを用いた磁気記録再生ヘッド
US5576914A (en) * 1994-11-14 1996-11-19 Read-Rite Corporation Compact read/write head having biased GMR element
US5909344A (en) * 1995-11-30 1999-06-01 International Business Machines Corporation Magnetoresistive sensor with high resistivity flux guide
US5627704A (en) * 1996-02-12 1997-05-06 Read-Rite Corporation Thin film giant magnetoresistive CPP transducer with flux guide yoke structure
JPH09251622A (ja) * 1996-03-18 1997-09-22 Toshiba Corp 磁気ヘッド
EP0801380A3 (de) * 1996-04-10 1998-03-04 Read-Rite Corporation Riesenmagnetoresistive Wandler mit erhöhtem Ausgangssignal
US5668688A (en) * 1996-05-24 1997-09-16 Quantum Peripherals Colorado, Inc. Current perpendicular-to-the-plane spin valve type magnetoresistive transducer
US5751521A (en) * 1996-09-23 1998-05-12 International Business Machines Corporation Differential spin valve sensor structure
JPH10154312A (ja) * 1996-11-22 1998-06-09 Sony Corp 磁気ヘッド及びその製造方法
US5729410A (en) * 1996-11-27 1998-03-17 International Business Machines Corporation Magnetic tunnel junction device with longitudinal biasing
TW369649B (en) * 1997-02-20 1999-09-11 Koninkl Philips Electronics Nv Single-channel magnetoresistive magnetic head and device including such a 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
US5930087A (en) * 1997-11-20 1999-07-27 Hewlett-Packard Company Robust recording head for near-contact operation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269129A2 (de) * 1986-11-28 1988-06-01 Nec Corporation Dünnfilmmagnetkopf
US5463516A (en) * 1992-06-23 1995-10-31 Thomson-Csf Magnetoresistive transducer or magnetic read head including a layer of composite material including conducting magnetic particles in an insulating material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Yamada et al.: "Fabrication Process for high trackdensity yoke MR Heads", In: IEEE Transactions on Magnetics, Vol.26, No.5, September 1990, S.2406- 2408 *

Also Published As

Publication number Publication date
DE19811857A1 (de) 1998-10-08
US6064552A (en) 2000-05-16

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