SG76572A1 - Magneto-resistive effect magnetic head - Google Patents

Magneto-resistive effect magnetic head

Info

Publication number
SG76572A1
SG76572A1 SG1998004717A SG1998004717A SG76572A1 SG 76572 A1 SG76572 A1 SG 76572A1 SG 1998004717 A SG1998004717 A SG 1998004717A SG 1998004717 A SG1998004717 A SG 1998004717A SG 76572 A1 SG76572 A1 SG 76572A1
Authority
SG
Singapore
Prior art keywords
magneto
magnetic head
resistive effect
effect magnetic
resistive
Prior art date
Application number
SG1998004717A
Other languages
English (en)
Inventor
Akio Takada
Moriaki Abe
Tadayuki Honda
Hiroaki Narisawa
Takuji Shibata
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of SG76572A1 publication Critical patent/SG76572A1/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
    • 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
    • G11B5/1274—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • G11B5/1276—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive
    • Y10T428/1121—Multilayer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
SG1998004717A 1997-11-20 1998-11-14 Magneto-resistive effect magnetic head SG76572A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9320146A JPH11154309A (ja) 1997-11-20 1997-11-20 磁気抵抗効果型磁気ヘッド

Publications (1)

Publication Number Publication Date
SG76572A1 true SG76572A1 (en) 2000-11-21

Family

ID=18118228

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998004717A SG76572A1 (en) 1997-11-20 1998-11-14 Magneto-resistive effect magnetic head

Country Status (5)

Country Link
US (1) US6120920A (ja)
JP (1) JPH11154309A (ja)
KR (1) KR19990045422A (ja)
CN (1) CN1218246A (ja)
SG (1) SG76572A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001067627A (ja) * 1999-08-31 2001-03-16 Toshiba Corp ディスク記憶装置及び同装置に適用する磁気ヘッド装置
JP2001250208A (ja) * 2000-03-02 2001-09-14 Sony Corp 磁気抵抗効果素子
JP2001351209A (ja) * 2000-06-06 2001-12-21 Fujitsu Ltd スピンバルブヘッド及びその製造方法ならびに磁気ディスク装置
JP3877985B2 (ja) * 2001-08-15 2007-02-07 富士通株式会社 磁気抵抗ヘッド及びその製造方法
US7037604B2 (en) * 2002-07-23 2006-05-02 Honeywell International, Inc. Magnetic sensing device
US6819530B2 (en) 2002-09-25 2004-11-16 International Business Machines Corporation Current perpendicular to the planes (CPP) sensor with free layer stabilized by current field
JP2004363157A (ja) * 2003-06-02 2004-12-24 Res Inst Electric Magnetic Alloys 薄膜磁気センサ及びその製造方法
US7505233B2 (en) * 2004-12-15 2009-03-17 International Business Machines Corporation Magnetic sensor
TWI467821B (zh) * 2010-12-31 2015-01-01 Voltafield Technology Corp 磁阻感測器及其製造方法

Also Published As

Publication number Publication date
CN1218246A (zh) 1999-06-02
KR19990045422A (ko) 1999-06-25
JPH11154309A (ja) 1999-06-08
US6120920A (en) 2000-09-19

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