TW277132B - - Google Patents

Info

Publication number
TW277132B
TW277132B TW083108817A TW83108817A TW277132B TW 277132 B TW277132 B TW 277132B TW 083108817 A TW083108817 A TW 083108817A TW 83108817 A TW83108817 A TW 83108817A TW 277132 B TW277132 B TW 277132B
Authority
TW
Taiwan
Prior art keywords
magnetoresistive
sensing element
layers
elements
ferromagnetic
Prior art date
Application number
TW083108817A
Other languages
English (en)
Inventor
Hwa Tsang Ching
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
Application granted granted Critical
Publication of TW277132B publication Critical patent/TW277132B/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/80—Constructional details
    • H10N50/85—Magnetic active materials
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
TW083108817A 1993-12-23 1994-09-23 TW277132B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/173,590 US5452163A (en) 1993-12-23 1993-12-23 Multilayer magnetoresistive sensor

Publications (1)

Publication Number Publication Date
TW277132B true TW277132B (zh) 1996-06-01

Family

ID=22632713

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083108817A TW277132B (zh) 1993-12-23 1994-09-23

Country Status (13)

Country Link
US (1) US5452163A (zh)
EP (1) EP0660127B1 (zh)
JP (1) JP2784461B2 (zh)
KR (1) KR0146012B1 (zh)
CN (1) CN1068689C (zh)
AT (1) ATE221999T1 (zh)
BR (1) BR9405159A (zh)
CA (1) CA2134711A1 (zh)
DE (1) DE69431149T2 (zh)
MY (1) MY116219A (zh)
PH (1) PH30835A (zh)
SG (1) SG42849A1 (zh)
TW (1) TW277132B (zh)

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WO1998038792A1 (en) * 1997-02-28 1998-09-03 University And Community College System Of Nevada Magnetoresistive scanning system
US5923505A (en) * 1997-03-17 1999-07-13 Read-Rite Corporation Magnetoresistive sensor having a pinned soft magnetic layer
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US5867351A (en) * 1997-07-25 1999-02-02 International Business Machines Corporation Spin valve read head with low moment, high coercivity pinning layer
JPH1196515A (ja) * 1997-09-18 1999-04-09 Fujitsu Ltd Ｇｍｒ磁気センサ、その製造方法、および磁気ヘッド
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US6147900A (en) * 1997-11-06 2000-11-14 Nonvolatile Electronics, Incorporated Spin dependent tunneling memory
US6337215B1 (en) 1997-12-01 2002-01-08 International Business Machines Corporation Magnetic particles having two antiparallel ferromagnetic layers and attached affinity recognition molecules
JP3544141B2 (ja) * 1998-05-13 2004-07-21 三菱電機株式会社 磁気検出素子および磁気検出装置
DE19854713B4 (de) * 1998-05-13 2005-03-10 Mitsubishi Electric Corp Magnetfeld-Erfassungselement
US6239595B1 (en) * 1998-05-13 2001-05-29 Mitsubishi Denki Kabushiki Kaisha Magnetic field sensing element
US6529114B1 (en) * 1998-05-27 2003-03-04 Honeywell International Inc. Magnetic field sensing device
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US6178074B1 (en) * 1998-11-19 2001-01-23 International Business Machines Corporation Double tunnel junction with magnetoresistance enhancement layer
US6255714B1 (en) 1999-06-22 2001-07-03 Agere Systems Guardian Corporation Integrated circuit having a micromagnetic device including a ferromagnetic core and method of manufacture therefor
US6421212B1 (en) 1999-09-21 2002-07-16 Read-Rite Corporation Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabrication
US6600637B1 (en) * 1999-10-28 2003-07-29 Seagate Technology, L.L.C. Edge barrier to prevent spin valve sensor corrosion and improve long term reliability
US6404601B1 (en) 2000-01-25 2002-06-11 Read-Rite Corporation Merged write head with magnetically isolated poletip
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US8093892B2 (en) * 2008-07-24 2012-01-10 Infineon Technologies Ag System with 90 degree sense layer magnetic orientation
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US8995073B1 (en) * 2013-03-14 2015-03-31 Seagate Technology Llc Data storage mediums and devices having bit patterned media
CN104900800A (zh) * 2014-03-03 2015-09-09 北京嘉岳同乐极电子有限公司 用于磁敏传感器的gmr磁性纳米多层膜
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CN115077571A (zh) * 2021-12-09 2022-09-20 苏州纳芯微电子股份有限公司 运动数据检测装置及其传感器电路

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Also Published As

Publication number Publication date
CN1068689C (zh) 2001-07-18
CA2134711A1 (en) 1995-06-24
US5452163A (en) 1995-09-19
CN1122498A (zh) 1996-05-15
EP0660127A2 (en) 1995-06-28
MY116219A (en) 2003-12-31
SG42849A1 (en) 1997-10-17
KR0146012B1 (ko) 1998-10-15
PH30835A (en) 1997-11-03
ATE221999T1 (de) 2002-08-15
JPH07210832A (ja) 1995-08-11
JP2784461B2 (ja) 1998-08-06
EP0660127A3 (en) 1996-01-17
DE69431149T2 (de) 2003-05-28
BR9405159A (pt) 1995-08-01
KR950020420A (ko) 1995-07-24
DE69431149D1 (de) 2002-09-12
EP0660127B1 (en) 2002-08-07

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