SG45506A1 - Manufacturing method of magnetic head apparatus with spin valve effect magnetoresistive head - Google Patents

Manufacturing method of magnetic head apparatus with spin valve effect magnetoresistive head

Info

Publication number
SG45506A1
SG45506A1 SG1996010804A SG1996010804A SG45506A1 SG 45506 A1 SG45506 A1 SG 45506A1 SG 1996010804 A SG1996010804 A SG 1996010804A SG 1996010804 A SG1996010804 A SG 1996010804A SG 45506 A1 SG45506 A1 SG 45506A1
Authority
SG
Singapore
Prior art keywords
manufacturing
spin valve
valve effect
magnetic head
effect magnetoresistive
Prior art date
Application number
SG1996010804A
Other languages
English (en)
Inventor
Yasufumi Uno
Daisuke Miyauchi
Mikio Matsuzaki
Original Assignee
Tdk 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 Tdk Corp filed Critical Tdk Corp
Publication of SG45506A1 publication Critical patent/SG45506A1/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
    • 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
    • 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
    • G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
    • G11B5/3932—Magnetic biasing films
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49034—Treating to affect magnetic properties
SG1996010804A 1995-10-09 1996-10-07 Manufacturing method of magnetic head apparatus with spin valve effect magnetoresistive head SG45506A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28639195 1995-10-09

Publications (1)

Publication Number Publication Date
SG45506A1 true SG45506A1 (en) 1998-01-16

Family

ID=17703799

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996010804A SG45506A1 (en) 1995-10-09 1996-10-07 Manufacturing method of magnetic head apparatus with spin valve effect magnetoresistive head

Country Status (3)

Country Link
US (1) US5772794A (fr)
EP (1) EP0768641A1 (fr)
SG (1) SG45506A1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3629309B2 (ja) * 1995-09-05 2005-03-16 アルプス電気株式会社 薄膜磁気ヘッド
US5768067A (en) 1995-09-19 1998-06-16 Alps Electric Co., Ltd. Magnetoresistive head using exchange anisotropic magnetic field with an antiferromagnetic layer
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
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
JPH10162322A (ja) * 1996-11-28 1998-06-19 Nec Corp 磁気抵抗効果型複合ヘッドおよびその製造方法
JP3255872B2 (ja) * 1997-04-17 2002-02-12 アルプス電気株式会社 スピンバルブ型薄膜素子及びその製造方法
US6118622A (en) * 1997-05-13 2000-09-12 International Business Machines Corporation Technique for robust resetting of spin valve head
JP2970590B2 (ja) * 1997-05-14 1999-11-02 日本電気株式会社 磁気抵抗効果素子並びにこれを用いた磁気抵抗効果センサ、磁気抵抗検出システム及び磁気記憶システム
US5956215A (en) * 1997-08-12 1999-09-21 Storage Technology Corporation High density thin film coupled element read head with support element to prevent damage to magnetoresistive element
US5993566A (en) * 1997-09-03 1999-11-30 International Business Machines Corporation Fabrication process of Ni-Mn spin valve sensor
US6033491A (en) * 1997-09-03 2000-03-07 International Business Machines Corporation Fabrication process of Ni-Mn spin valve sensor
JPH1196516A (ja) * 1997-09-19 1999-04-09 Fujitsu Ltd スピンバルブ磁気抵抗効果型ヘッドの製造法及びこの製造方法で製造されたスピンバルブ磁気抵抗効果型ヘッド
JPH11185224A (ja) * 1997-12-24 1999-07-09 Tdk Corp 薄膜磁気ヘッドの製造方法
JPH11259825A (ja) * 1998-03-06 1999-09-24 Tdk Corp 磁気抵抗効果型ヘッド
US5974657A (en) * 1998-03-19 1999-11-02 International Business Machines Corporation Two step resetting of magnetization of spin valve read head at the row level
JP2000149228A (ja) * 1998-11-05 2000-05-30 Tdk Corp 薄膜磁気ヘッドの製造方法
US6228276B1 (en) * 1999-02-05 2001-05-08 Headway Technologies, Inc. Method of manufacturing magnetoresistive (MR) sensor element with sunken lead structure
US6129957A (en) * 1999-10-12 2000-10-10 Headway Technologies, Inc. Method of forming a second antiferromagnetic exchange-coupling layer for magnetoresistive (MR) and giant MR (GMR) applications
US6322640B1 (en) 2000-01-24 2001-11-27 Headway Technologies, Inc. Multiple thermal annealing method for forming antiferromagnetic exchange biased magnetoresistive (MR) sensor element
US6728055B1 (en) * 2000-03-21 2004-04-27 International Business Machines Corporation Method and apparatus for performing spin valve combined pinned layer reset and hard bias initialization at the HGA level
US6798622B2 (en) 2000-12-11 2004-09-28 Headway Technologies, Inc. Magnetoresistive (MR) sensor element with sunken lead structure
US6773513B2 (en) * 2002-08-13 2004-08-10 Ut-Battelle Llc Method for residual stress relief and retained austenite destabilization
US7161124B2 (en) * 2005-04-19 2007-01-09 Ut-Battelle, Llc Thermal and high magnetic field treatment of materials and associated apparatus
US7461447B2 (en) * 2006-05-05 2008-12-09 Hitachi Global Storage Technologies Netherlands B.V. Method of fabrication of magnetic head having annealed embedded read sensor
US7567397B2 (en) * 2006-09-11 2009-07-28 Hitachi Global Storage Technologies Netherlands B.V. Adjacent Track Interference (ATI) identification methodology
JP2008071379A (ja) * 2006-09-12 2008-03-27 Fujitsu Ltd 磁気ヘッド素子の製造方法
WO2010001223A1 (fr) * 2008-06-30 2010-01-07 Eaton Corporation Système de production en continu pour le traitement magnétique de métaux et d’alliages pour la production sur mesure de matériaux de nouvelle génération
EP2161485A3 (fr) * 2008-09-04 2010-12-29 Veyance Technologies, Inc. Tuyau flottant résistant à la compression pour applications de bobinage
JP6885797B2 (ja) * 2017-06-12 2021-06-16 昭和電工株式会社 磁気センサ及び磁気センサの製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103315A (en) * 1977-06-24 1978-07-25 International Business Machines Corporation Antiferromagnetic-ferromagnetic exchange bias films
US4825325A (en) * 1987-10-30 1989-04-25 International Business Machines Corporation Magnetoresistive read transducer assembly
JP2544845B2 (ja) * 1990-08-23 1996-10-16 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁性薄膜、ラミネ―ト、磁気記録ヘッドおよび磁気遮蔽体ならびにラミネ―トの製造方法
US5206590A (en) * 1990-12-11 1993-04-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
JP3022023B2 (ja) * 1992-04-13 2000-03-15 株式会社日立製作所 磁気記録再生装置
JP2725977B2 (ja) * 1992-08-28 1998-03-11 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気抵抗センサ及びその製造方法、磁気記憶システム
US5549978A (en) * 1992-10-30 1996-08-27 Kabushiki Kaisha Toshiba Magnetoresistance effect element
US5385637A (en) * 1992-12-07 1995-01-31 Read-Rite Corporation Stabilizing domains in inductive thin film heads
US5583725A (en) * 1994-06-15 1996-12-10 International Business Machines Corporation Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor
US5528440A (en) * 1994-07-26 1996-06-18 International Business Machines Corporation Spin valve magnetoresistive element with longitudinal exchange biasing of end regions abutting the free layer, and magnetic recording system using the element
US5648885A (en) * 1995-08-31 1997-07-15 Hitachi, Ltd. Giant magnetoresistive effect sensor, particularly having a multilayered magnetic thin film layer
US5529814A (en) * 1995-10-19 1996-06-25 Read-Rite Corporation Method of producing exchange coupled magnetic thin films with post-deposition annealing

Also Published As

Publication number Publication date
EP0768641A1 (fr) 1997-04-16
US5772794A (en) 1998-06-30

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