SG115622A1 - Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic heusler alloy in the pinned layer - Google Patents

Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic heusler alloy in the pinned layer

Info

Publication number
SG115622A1
SG115622A1 SG200400844A SG200400844A SG115622A1 SG 115622 A1 SG115622 A1 SG 115622A1 SG 200400844 A SG200400844 A SG 200400844A SG 200400844 A SG200400844 A SG 200400844A SG 115622 A1 SG115622 A1 SG 115622A1
Authority
SG
Singapore
Prior art keywords
exchange
pinned layer
coupled structure
magnetoresistive device
heusler alloy
Prior art date
Application number
SG200400844A
Other languages
English (en)
Inventor
J Carey Matthew
R Childress Jeffrey
Maat Stefan
Original Assignee
Hitachi Global Storage Tech
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 Hitachi Global Storage Tech filed Critical Hitachi Global Storage Tech
Publication of SG115622A1 publication Critical patent/SG115622A1/en

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/80Constructional details
    • H10N50/85Materials of the active region
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09Magnetoresistive devices
    • G01R33/093Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B5/3903Structure 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/455Arrangements for functional testing of heads; Measuring arrangements for heads
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/10Magnetoresistive devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002Special dispositions or recording techniques
    • G11B2005/0005Arrangements, methods or circuits
    • G11B2005/001Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012Recording on, or reproducing or erasing from, magnetic disks

Landscapes

  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Semiconductor Memories (AREA)
SG200400844A 2003-02-24 2004-02-24 Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic heusler alloy in the pinned layer SG115622A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/374,819 US6977801B2 (en) 2003-02-24 2003-02-24 Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic Heusler alloy in the pinned layer

Publications (1)

Publication Number Publication Date
SG115622A1 true SG115622A1 (en) 2005-10-28

Family

ID=32736490

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200400844A SG115622A1 (en) 2003-02-24 2004-02-24 Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic heusler alloy in the pinned layer

Country Status (6)

Country Link
US (1) US6977801B2 (enExample)
EP (1) EP1450177B1 (enExample)
JP (1) JP2004260149A (enExample)
CN (1) CN100423313C (enExample)
DE (1) DE602004005905T2 (enExample)
SG (1) SG115622A1 (enExample)

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Also Published As

Publication number Publication date
CN1525582A (zh) 2004-09-01
DE602004005905D1 (de) 2007-05-31
EP1450177B1 (en) 2007-04-18
JP2004260149A (ja) 2004-09-16
DE602004005905T2 (de) 2008-01-17
US20040165320A1 (en) 2004-08-26
CN100423313C (zh) 2008-10-01
EP1450177A2 (en) 2004-08-25
US6977801B2 (en) 2005-12-20
EP1450177A3 (en) 2006-05-03

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