DE69835410D1 - Magnetoresistiver Lesekopf mit abgeschirmtem magnetischem Tunnelübergang - Google Patents

Magnetoresistiver Lesekopf mit abgeschirmtem magnetischem Tunnelübergang

Info

Publication number
DE69835410D1
DE69835410D1 DE69835410T DE69835410T DE69835410D1 DE 69835410 D1 DE69835410 D1 DE 69835410D1 DE 69835410 T DE69835410 T DE 69835410T DE 69835410 T DE69835410 T DE 69835410T DE 69835410 D1 DE69835410 D1 DE 69835410D1
Authority
DE
Germany
Prior art keywords
read head
tunnel junction
magnetic tunnel
magnetoresistive read
shielded magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69835410T
Other languages
English (en)
Other versions
DE69835410T2 (de
Inventor
Frederick Hayes Dill
Jnr Robert Edward Fontana
Stuart Stephen Papworth Parkin
Ching Hwa Tsang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Netherlands BV
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
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 Technologies Netherlands BV filed Critical Hitachi Global Storage Technologies Netherlands BV
Application granted granted Critical
Publication of DE69835410D1 publication Critical patent/DE69835410D1/de
Publication of DE69835410T2 publication Critical patent/DE69835410T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only 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
    • 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
    • G11B5/3909—Arrangements using a magnetic tunnel junction
    • 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
    • G11B5/3912—Arrangements in which the active read-out elements are transducing in association with active magnetic shields, e.g. magnetically coupled shields
DE69835410T 1997-10-24 1998-10-20 Magnetoresistiver Lesekopf mit abgeschirmtem magnetischem Tunnelübergang Expired - Fee Related DE69835410T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/957,787 US5898548A (en) 1997-10-24 1997-10-24 Shielded magnetic tunnel junction magnetoresistive read head
US957787 1997-10-24

Publications (2)

Publication Number Publication Date
DE69835410D1 true DE69835410D1 (de) 2006-09-14
DE69835410T2 DE69835410T2 (de) 2007-08-09

Family

ID=25500133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835410T Expired - Fee Related DE69835410T2 (de) 1997-10-24 1998-10-20 Magnetoresistiver Lesekopf mit abgeschirmtem magnetischem Tunnelübergang

Country Status (8)

Country Link
US (1) US5898548A (de)
EP (1) EP0911811B1 (de)
JP (2) JP3300291B2 (de)
KR (1) KR100295288B1 (de)
CN (1) CN1144183C (de)
DE (1) DE69835410T2 (de)
MY (1) MY116285A (de)
SG (1) SG67574A1 (de)

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EP0911811A3 (de) 1999-10-27
CN1223431A (zh) 1999-07-21
JP2002304711A (ja) 2002-10-18
DE69835410T2 (de) 2007-08-09
KR19990036637A (ko) 1999-05-25
US5898548A (en) 1999-04-27
JPH11213351A (ja) 1999-08-06
JP3300291B2 (ja) 2002-07-08
SG67574A1 (en) 1999-09-21
EP0911811B1 (de) 2006-08-02
MY116285A (en) 2003-12-31
KR100295288B1 (ko) 2001-10-26
CN1144183C (zh) 2004-03-31
EP0911811A2 (de) 1999-04-28

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