SG46484A1 - Thin film magnetic transducer having a stable soft film for reducing asymmetry variations - Google Patents

Thin film magnetic transducer having a stable soft film for reducing asymmetry variations

Info

Publication number
SG46484A1
SG46484A1 SG1996005017A SG1996005017A SG46484A1 SG 46484 A1 SG46484 A1 SG 46484A1 SG 1996005017 A SG1996005017 A SG 1996005017A SG 1996005017 A SG1996005017 A SG 1996005017A SG 46484 A1 SG46484 A1 SG 46484A1
Authority
SG
Singapore
Prior art keywords
magnetic transducer
thin film
stable soft
film magnetic
reducing asymmetry
Prior art date
Application number
SG1996005017A
Other languages
English (en)
Inventor
Mustafa Pinarbasi
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 SG46484A1 publication Critical patent/SG46484A1/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using 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
    • G11B5/3929—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
    • 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
    • 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
    • Y10S428/90—Magnetic feature
    • 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
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/1157—Substrate composition
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12597—Noncrystalline silica or noncrystalline plural-oxide component [e.g., glass, etc.]
    • Y10T428/12604—Film [e.g., glaze, etc.]
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • Y10T428/12854—Next to Co-, Fe-, or Ni-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
SG1996005017A 1993-12-14 1994-12-13 Thin film magnetic transducer having a stable soft film for reducing asymmetry variations SG46484A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16768493A 1993-12-14 1993-12-14

Publications (1)

Publication Number Publication Date
SG46484A1 true SG46484A1 (en) 1998-02-20

Family

ID=22608374

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996005017A SG46484A1 (en) 1993-12-14 1994-12-13 Thin film magnetic transducer having a stable soft film for reducing asymmetry variations

Country Status (6)

Country Link
US (2) US5591533A (ko)
JP (1) JP2752039B2 (ko)
KR (1) KR100189802B1 (ko)
GB (1) GB2285331B (ko)
SG (1) SG46484A1 (ko)
TW (1) TW342136U (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6687098B1 (en) 1999-07-08 2004-02-03 Western Digital (Fremont), Inc. Top spin valve with improved seed layer
US6219210B1 (en) 1999-07-30 2001-04-17 International Business Machines Corporation Spin valve sensor with nickel oxide pinning layer on a chromium seed layer
US6548186B1 (en) 2000-05-19 2003-04-15 International Business Machines Corporation High resistivity films for AP layers in spin valves
US6728078B2 (en) 2001-06-20 2004-04-27 Hitachi Global Storage Technologies Netherlands B.V. High resistance dual antiparallel (AP) pinned spin valve sensor
US20030049464A1 (en) 2001-09-04 2003-03-13 Afg Industries, Inc. Double silver low-emissivity and solar control coatings
US7149062B2 (en) * 2002-02-26 2006-12-12 Hitachi Global Storage Technologies Netherlands, B.V. Spin valve structure with Si seed layer and reduced PtMn antiferromagnetic layer thickness
US6857937B2 (en) * 2002-05-30 2005-02-22 Komag, Inc. Lapping a head while powered up to eliminate expansion of the head due to heating
US8899052B2 (en) 2010-11-04 2014-12-02 International Business Machines Corporation Thermoelectric-enhanced, refrigeration cooling of an electronic component
US8813515B2 (en) 2010-11-04 2014-08-26 International Business Machines Corporation Thermoelectric-enhanced, vapor-compression refrigeration apparatus facilitating cooling of an electronic component
US9207002B2 (en) 2011-10-12 2015-12-08 International Business Machines Corporation Contaminant separator for a vapor-compression refrigeration apparatus
JP5909822B2 (ja) * 2012-02-27 2016-04-27 アルプス・グリーンデバイス株式会社 電流センサ及びその作製方法
CN110607503B (zh) * 2019-10-18 2021-11-05 西南应用磁学研究所 一种高频磁芯用软磁复合膜及其制备方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124736A (en) * 1974-10-29 1978-11-07 Poly-Disc Systems, Inc. Surface protected magnetic recording members
DE2556755C2 (de) * 1975-12-17 1982-04-15 Ibm Deutschland Gmbh, 7000 Stuttgart Mehrschichtiger magnetischer Aufzeichnungsträger
JPH0670858B2 (ja) * 1983-05-25 1994-09-07 ソニー株式会社 光磁気記録媒体とその製法
JPS61217925A (ja) * 1985-03-23 1986-09-27 Victor Co Of Japan Ltd 磁気記録媒体
DE3613619A1 (de) * 1985-04-26 1986-10-30 Sharp K.K., Osaka Duennfilm-magnetkopf
US4891278A (en) * 1986-02-21 1990-01-02 Hitachi, Ltd. Ferrromagnetic thin film and magnetic head using it
JP2561655B2 (ja) * 1987-01-29 1996-12-11 株式会社日立製作所 面内磁気記録媒体
US4935311A (en) * 1987-04-13 1990-06-19 Hitachi, Ltd. Magnetic multilayered film and magnetic head using the same
JPH0223681A (ja) * 1988-07-12 1990-01-25 Nec Corp 磁気抵抗効果素子
US5147732A (en) * 1988-09-28 1992-09-15 Hitachi, Ltd. Longitudinal magnetic recording media and magnetic memory units
US5049451A (en) * 1990-08-15 1991-09-17 Hmt Technology Corporation High-coercivity thin-film recording medium
US5159513A (en) * 1991-02-08 1992-10-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
GB2254620B (en) * 1991-03-25 1994-10-05 Kobe Steel Ltd Manufacturing method of magnetic disk
EP0565102A2 (en) * 1992-04-10 1993-10-13 Hitachi Maxell, Ltd. Magnetic laminations and magnetic heads and magnetic recording/reproducing devices using a magnetic lamination
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
JPH06301932A (ja) * 1993-04-15 1994-10-28 Sumitomo Metal Ind Ltd 薄膜磁気ヘッド及びその製造方法
US5456978A (en) * 1993-08-03 1995-10-10 Hmt Technology Corporation Thin-film recording medium with thin metal sublayer

Also Published As

Publication number Publication date
JPH07201022A (ja) 1995-08-04
GB2285331A (en) 1995-07-05
US5811155A (en) 1998-09-22
KR950020419A (ko) 1995-07-24
JP2752039B2 (ja) 1998-05-18
US5591533A (en) 1997-01-07
TW342136U (en) 1998-10-01
GB9425141D0 (en) 1995-02-08
GB2285331B (en) 1998-04-08
KR100189802B1 (ko) 1999-06-01

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