JP4764294B2 - 磁気抵抗効果素子、及び磁気ヘッド - Google Patents

磁気抵抗効果素子、及び磁気ヘッド Download PDF

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Publication number
JP4764294B2
JP4764294B2 JP2006243868A JP2006243868A JP4764294B2 JP 4764294 B2 JP4764294 B2 JP 4764294B2 JP 2006243868 A JP2006243868 A JP 2006243868A JP 2006243868 A JP2006243868 A JP 2006243868A JP 4764294 B2 JP4764294 B2 JP 4764294B2
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Japan
Prior art keywords
layer
magnetic
magnetization
intermediate layer
effect element
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Expired - Fee Related
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JP2006243868A
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English (en)
Japanese (ja)
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JP2008066563A5 (enExample
JP2008066563A (ja
Inventor
裕美 湯浅
英明 福澤
慶彦 藤
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Toshiba Corp
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Toshiba Corp
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Priority to JP2006243868A priority Critical patent/JP4764294B2/ja
Priority to CNA2007101474039A priority patent/CN101174669A/zh
Priority to US11/898,079 priority patent/US7948717B2/en
Publication of JP2008066563A publication Critical patent/JP2008066563A/ja
Publication of JP2008066563A5 publication Critical patent/JP2008066563A5/ja
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    • 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
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • 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
    • H10N50/10—Magnetoresistive devices
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Magnetic Heads (AREA)
JP2006243868A 2006-09-08 2006-09-08 磁気抵抗効果素子、及び磁気ヘッド Expired - Fee Related JP4764294B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006243868A JP4764294B2 (ja) 2006-09-08 2006-09-08 磁気抵抗効果素子、及び磁気ヘッド
CNA2007101474039A CN101174669A (zh) 2006-09-08 2007-09-07 磁阻效应元件的制造方法、磁头、磁记录再生装置、及磁性存储器
US11/898,079 US7948717B2 (en) 2006-09-08 2007-09-07 Magneto-resistance effect element, magnetic head, magnetic recording/reproducing device and magnetic memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006243868A JP4764294B2 (ja) 2006-09-08 2006-09-08 磁気抵抗効果素子、及び磁気ヘッド

Publications (3)

Publication Number Publication Date
JP2008066563A JP2008066563A (ja) 2008-03-21
JP2008066563A5 JP2008066563A5 (enExample) 2008-05-01
JP4764294B2 true JP4764294B2 (ja) 2011-08-31

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JP2006243868A Expired - Fee Related JP4764294B2 (ja) 2006-09-08 2006-09-08 磁気抵抗効果素子、及び磁気ヘッド

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Country Link
US (1) US7948717B2 (enExample)
JP (1) JP4764294B2 (enExample)
CN (1) CN101174669A (enExample)

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* Cited by examiner, † Cited by third party
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Publication number Publication date
JP2008066563A (ja) 2008-03-21
CN101174669A (zh) 2008-05-07
US7948717B2 (en) 2011-05-24
US20080062574A1 (en) 2008-03-13

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