DE69412304D1 - Magnetoresistiver Sensor und Herstellungsverfahren - Google Patents

Magnetoresistiver Sensor und Herstellungsverfahren

Info

Publication number
DE69412304D1
DE69412304D1 DE69412304T DE69412304T DE69412304D1 DE 69412304 D1 DE69412304 D1 DE 69412304D1 DE 69412304 T DE69412304 T DE 69412304T DE 69412304 T DE69412304 T DE 69412304T DE 69412304 D1 DE69412304 D1 DE 69412304D1
Authority
DE
Germany
Prior art keywords
manufacturing process
magnetoresistive sensor
magnetoresistive
sensor
manufacturing
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
DE69412304T
Other languages
English (en)
Other versions
DE69412304T2 (de
Inventor
Yoshihiro Motomura
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.)
TDK Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69412304D1 publication Critical patent/DE69412304D1/de
Application granted granted Critical
Publication of DE69412304T2 publication Critical patent/DE69412304T2/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
    • G11B5/39—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
    • G11B5/398—Specially shaped layers
    • 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
    • G11B5/399—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 with intrinsic biasing, e.g. provided by equipotential strips

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE1994612304 1993-02-22 1994-02-22 Magnetoresistiver Sensor und Herstellungsverfahren Expired - Fee Related DE69412304T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5031039A JP2576751B2 (ja) 1993-02-22 1993-02-22 磁気抵抗効果ヘッド

Publications (2)

Publication Number Publication Date
DE69412304D1 true DE69412304D1 (de) 1998-09-17
DE69412304T2 DE69412304T2 (de) 1999-04-29

Family

ID=12320352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994612304 Expired - Fee Related DE69412304T2 (de) 1993-02-22 1994-02-22 Magnetoresistiver Sensor und Herstellungsverfahren

Country Status (3)

Country Link
EP (1) EP0613119B1 (de)
JP (1) JP2576751B2 (de)
DE (1) DE69412304T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438470A (en) * 1994-05-13 1995-08-01 Read-Rite Corporation Magnetoresistive structure with contiguous junction hard bias design with low lead resistance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829896A (en) * 1972-11-08 1974-08-13 Ibm Bias means for batch fabricated magnetic head and method of manufacture thereof
US4024489A (en) * 1975-11-18 1977-05-17 International Business Machines Corporation Magnetoresistive sandwich including sensor electrically parallel with electrical shunt and magnetic biasing layers
US4103315A (en) * 1977-06-24 1978-07-25 International Business Machines Corporation Antiferromagnetic-ferromagnetic exchange bias films
US4663685A (en) * 1985-08-15 1987-05-05 International Business Machines Magnetoresistive read transducer having patterned longitudinal bias
DE3820475C1 (de) * 1988-06-16 1989-12-21 Kernforschungsanlage Juelich Gmbh, 5170 Juelich, De
JPH04149812A (ja) * 1990-10-15 1992-05-22 Hitachi Ltd 磁気ヘッド

Also Published As

Publication number Publication date
EP0613119A2 (de) 1994-08-31
EP0613119A3 (de) 1996-01-31
EP0613119B1 (de) 1998-08-12
JP2576751B2 (ja) 1997-01-29
JPH06243433A (ja) 1994-09-02
DE69412304T2 (de) 1999-04-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TDK CORP., TOKIO/TOKYO, JP

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee