TW428779U - Magnetoresistive read transducer having a contiguous longitudinal bias layer - Google Patents

Magnetoresistive read transducer having a contiguous longitudinal bias layer

Info

Publication number
TW428779U
TW428779U TW085215917U TW85215917U TW428779U TW 428779 U TW428779 U TW 428779U TW 085215917 U TW085215917 U TW 085215917U TW 85215917 U TW85215917 U TW 85215917U TW 428779 U TW428779 U TW 428779U
Authority
TW
Taiwan
Prior art keywords
bias layer
longitudinal bias
read transducer
magnetoresistive read
contiguous longitudinal
Prior art date
Application number
TW085215917U
Other languages
English (en)
Inventor
Mao-Min Chen
Robert Edward Fontana
Mohamad Towfik Krounbi
Kenneth Ting-Yuan Kung
James His-Tang Lee
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of TW428779U publication Critical patent/TW428779U/zh

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
    • G11B5/399—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 with intrinsic biasing, e.g. provided by equipotential strips
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
TW085215917U 1993-07-13 1994-10-15 Magnetoresistive read transducer having a contiguous longitudinal bias layer TW428779U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9071493A 1993-07-13 1993-07-13

Publications (1)

Publication Number Publication Date
TW428779U true TW428779U (en) 2001-04-01

Family

ID=22223964

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085215917U TW428779U (en) 1993-07-13 1994-10-15 Magnetoresistive read transducer having a contiguous longitudinal bias layer

Country Status (8)

Country Link
EP (1) EP0634740B1 (zh)
JP (1) JP2710210B2 (zh)
KR (1) KR0133248B1 (zh)
CN (1) CN1064162C (zh)
DE (1) DE69420789T2 (zh)
MY (1) MY121197A (zh)
SG (1) SG44410A1 (zh)
TW (1) TW428779U (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438470A (en) * 1994-05-13 1995-08-01 Read-Rite Corporation Magnetoresistive structure with contiguous junction hard bias design with low lead resistance
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
JPH0887721A (ja) * 1994-09-16 1996-04-02 Tdk Corp 磁気変換素子及び薄膜磁気ヘッド
US5434826A (en) * 1994-09-26 1995-07-18 Read-Rite Corporation Multilayer hard bias films for longitudinal biasing in magnetoresistive transducer
JP3635504B2 (ja) * 1995-08-31 2005-04-06 富士通株式会社 磁気抵抗効果ヘッドとその製造方法及び磁気記録装置
US5657191A (en) * 1995-09-18 1997-08-12 Read-Rite Corporation Stabilization of giant magnetoresistive transducers
US5768067A (en) * 1995-09-19 1998-06-16 Alps Electric Co., Ltd. Magnetoresistive head using exchange anisotropic magnetic field with an antiferromagnetic layer
US6545847B2 (en) 1996-02-14 2003-04-08 Hitachi, Ltd. Magnetoresistive effect head
US5936810A (en) 1996-02-14 1999-08-10 Hitachi, Ltd. Magnetoresistive effect head
JP3253556B2 (ja) * 1997-05-07 2002-02-04 株式会社東芝 磁気抵抗効果素子とそれを用いた磁気ヘッドおよび磁気記憶装置
JP2000339639A (ja) 1999-05-31 2000-12-08 Nec Corp 磁気抵抗効果型複合ヘッド及びその製造方法
JP2002025019A (ja) * 2000-07-11 2002-01-25 Tdk Corp 磁気抵抗効果素子を備えた薄膜磁気ヘッド
JP2002111095A (ja) 2000-09-26 2002-04-12 Alps Electric Co Ltd 磁気抵抗効果型素子
JP2003067904A (ja) 2001-08-28 2003-03-07 Hitachi Ltd 磁気抵抗効果型磁気ヘッドおよびその製造方法
JP4051271B2 (ja) * 2002-11-26 2008-02-20 株式会社日立グローバルストレージテクノロジーズ 磁気記録ヘッド及び磁気記録再生装置
JP2005209301A (ja) 2004-01-23 2005-08-04 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及びその製造方法
JP2006139886A (ja) 2004-11-15 2006-06-01 Hitachi Global Storage Technologies Netherlands Bv 磁気抵抗効果型磁気ヘッド及びその製造方法
US7425824B2 (en) * 2005-05-20 2008-09-16 Honeywell International Inc. Magnetoresistive sensor
US7525775B2 (en) 2005-11-17 2009-04-28 Hitachi Global Storage Technologies Netherlands B.V. Oblique angle etched underlayers for improved exchange biased structures in a magnetoresitive sensor
JP2007200428A (ja) 2006-01-25 2007-08-09 Hitachi Global Storage Technologies Netherlands Bv 磁気抵抗効果型磁気ヘッド及びその製造方法
US7916429B2 (en) * 2007-07-30 2011-03-29 Tdk Corporation Magnetic field detecting element having thin stack with a plurality of free layers and thick bias magnetic layer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803580A (en) * 1987-02-17 1989-02-07 Magnetic Peripherals Inc. Double-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gap
US4785366A (en) * 1987-07-09 1988-11-15 International Business Machine Corporation Magnetoresistive read transducer having patterned orientation of longitudinal bias
US5018037A (en) * 1989-10-10 1991-05-21 Krounbi Mohamad T Magnetoresistive read transducer having hard magnetic bias
JPH03242983A (ja) * 1990-02-06 1991-10-29 Internatl Business Mach Corp <Ibm> 磁気構造体の製造方法
US5285339A (en) * 1992-02-28 1994-02-08 International Business Machines Corporation Magnetoresistive read transducer having improved bias profile

Also Published As

Publication number Publication date
MY121197A (en) 2006-01-28
DE69420789D1 (de) 1999-10-28
EP0634740A2 (en) 1995-01-18
JPH0757223A (ja) 1995-03-03
KR950004109A (ko) 1995-02-17
CN1064162C (zh) 2001-04-04
KR0133248B1 (ko) 1998-04-18
DE69420789T2 (de) 2000-04-27
SG44410A1 (en) 1997-12-19
EP0634740B1 (en) 1999-09-22
CN1100832A (zh) 1995-03-29
EP0634740A3 (en) 1996-01-31
JP2710210B2 (ja) 1998-02-10

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees