JP2002133614A - 薄膜磁気ヘッドおよびその製造方法 - Google Patents

薄膜磁気ヘッドおよびその製造方法

Info

Publication number
JP2002133614A
JP2002133614A JP2000331088A JP2000331088A JP2002133614A JP 2002133614 A JP2002133614 A JP 2002133614A JP 2000331088 A JP2000331088 A JP 2000331088A JP 2000331088 A JP2000331088 A JP 2000331088A JP 2002133614 A JP2002133614 A JP 2002133614A
Authority
JP
Japan
Prior art keywords
layer
film
magnetic
shield
shield layer
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.)
Pending
Application number
JP2000331088A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002133614A5 (enExample
Inventor
Koichi Terunuma
幸一 照沼
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.)
TDK Corp
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
Priority to JP2000331088A priority Critical patent/JP2002133614A/ja
Priority to US09/983,972 priority patent/US6947261B2/en
Publication of JP2002133614A publication Critical patent/JP2002133614A/ja
Publication of JP2002133614A5 publication Critical patent/JP2002133614A5/ja
Pending 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
    • 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
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
JP2000331088A 2000-10-30 2000-10-30 薄膜磁気ヘッドおよびその製造方法 Pending JP2002133614A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000331088A JP2002133614A (ja) 2000-10-30 2000-10-30 薄膜磁気ヘッドおよびその製造方法
US09/983,972 US6947261B2 (en) 2000-10-30 2001-10-26 Thin film magnetic head and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000331088A JP2002133614A (ja) 2000-10-30 2000-10-30 薄膜磁気ヘッドおよびその製造方法

Publications (2)

Publication Number Publication Date
JP2002133614A true JP2002133614A (ja) 2002-05-10
JP2002133614A5 JP2002133614A5 (enExample) 2004-08-19

Family

ID=18807495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000331088A Pending JP2002133614A (ja) 2000-10-30 2000-10-30 薄膜磁気ヘッドおよびその製造方法

Country Status (2)

Country Link
US (1) US6947261B2 (enExample)
JP (1) JP2002133614A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031119B2 (en) 2002-08-30 2006-04-18 Hitachi, Ltd. CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785099B2 (en) * 2002-02-04 2004-08-31 Hitachi Global Storage Technologies Netherlands B.V. Read gap improvements through high resistance magnetic shield layers
JP3815676B2 (ja) * 2002-10-02 2006-08-30 Ｔｄｋ株式会社 磁気抵抗効果素子、薄膜磁気ヘッド、磁気ヘッド装置及び磁気記録再生装置
US6995957B2 (en) * 2003-03-18 2006-02-07 Hitachi Global Storage Technologies Netherland B.V. Magnetoresistive sensor having a high resistance soft magnetic layer between sensor stack and shield
US20060250726A1 (en) * 2005-05-09 2006-11-09 Hitachi Global Storage Technologies Netherlands B. V. Shield structure in magnetic recording heads
US7606009B2 (en) * 2006-03-15 2009-10-20 Hitachi Global Storage Technologies Netherlands B.V. Read sensor stabilized by bidirectional anisotropy
WO2011065323A1 (ja) * 2009-11-27 2011-06-03 日本電気株式会社 磁気抵抗効果素子、および磁気ランダムアクセスメモリ
JP5132706B2 (ja) * 2010-03-31 2013-01-30 株式会社東芝 磁気ヘッド、磁気ヘッドアセンブリおよび磁気記録再生装置
US8976492B1 (en) * 2013-10-29 2015-03-10 HGST Netherlands B.V. Magnetic head having two domain control layers for stabilizing magnetization of the hard bias layer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239911A (ja) 1984-05-11 1985-11-28 Fujitsu Ltd 磁気抵抗効果型再生ヘツド
US4918554A (en) 1988-09-27 1990-04-17 International Business Machines Corporation Process for making a shielded magnetoresistive sensor
JPH0782622B2 (ja) 1992-12-04 1995-09-06 日本電気株式会社 磁気抵抗効果型磁気ヘッド
US5515221A (en) * 1994-12-30 1996-05-07 International Business Machines Corporation Magnetically stable shields for MR head
US5838521A (en) * 1995-04-17 1998-11-17 Read-Rite Corporation Magnetoresistive transducer having laminated magnetic shields
US6038106A (en) * 1995-05-10 2000-03-14 International Business Machines Corporation Piggyback magneto-resistive read/write tape head with optimized process for same gap read/write
JP3388685B2 (ja) * 1996-04-01 2003-03-24 ティーディーケイ株式会社 磁気ヘッド
SG68063A1 (en) * 1997-07-18 1999-10-19 Hitachi Ltd Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing head
JPH11161920A (ja) 1997-09-29 1999-06-18 Hitachi Ltd 記録再生ヘッド及びそれを用いたヘッド・ディスク・アセンブリと磁気ディスク装置
JP2001084536A (ja) 1999-09-17 2001-03-30 Alps Electric Co Ltd 薄膜磁気ヘッド
JP2001167408A (ja) * 1999-12-09 2001-06-22 Tdk Corp 薄膜磁気ヘッドおよびその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031119B2 (en) 2002-08-30 2006-04-18 Hitachi, Ltd. CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same
US7154713B2 (en) 2002-08-30 2006-12-26 Hitachi Global Storage Technologies Japan, Ltd. CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same

Also Published As

Publication number Publication date
US20020075609A1 (en) 2002-06-20
US6947261B2 (en) 2005-09-20

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