DE69315271T2 - Magnetkopf mit einer Mehrschichtstruktur und Verfahren zum Herstellen des Magnetkopfes - Google Patents

Magnetkopf mit einer Mehrschichtstruktur und Verfahren zum Herstellen des Magnetkopfes

Info

Publication number
DE69315271T2
DE69315271T2 DE69315271T DE69315271T DE69315271T2 DE 69315271 T2 DE69315271 T2 DE 69315271T2 DE 69315271 T DE69315271 T DE 69315271T DE 69315271 T DE69315271 T DE 69315271T DE 69315271 T2 DE69315271 T2 DE 69315271T2
Authority
DE
Germany
Prior art keywords
magnetic head
manufacturing
multilayer structure
magnetic
head
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
DE69315271T
Other languages
English (en)
Other versions
DE69315271D1 (de
Inventor
Lambertus Postma
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69315271D1 publication Critical patent/DE69315271D1/de
Publication of DE69315271T2 publication Critical patent/DE69315271T2/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Measuring Magnetic Variables (AREA)
DE69315271T 1992-08-06 1993-07-29 Magnetkopf mit einer Mehrschichtstruktur und Verfahren zum Herstellen des Magnetkopfes Expired - Fee Related DE69315271T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92202435 1992-08-06

Publications (2)

Publication Number Publication Date
DE69315271D1 DE69315271D1 (de) 1998-01-02
DE69315271T2 true DE69315271T2 (de) 1998-05-07

Family

ID=8210833

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315271T Expired - Fee Related DE69315271T2 (de) 1992-08-06 1993-07-29 Magnetkopf mit einer Mehrschichtstruktur und Verfahren zum Herstellen des Magnetkopfes

Country Status (4)

Country Link
US (1) US6028749A (de)
JP (2) JPH06176326A (de)
KR (1) KR200156789Y1 (de)
DE (1) DE69315271T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6223420B1 (en) * 1998-12-04 2001-05-01 International Business Machines Corporation Method of making a read head with high resistance soft magnetic flux guide layer for enhancing read sensor efficiency
JP4058462B2 (ja) * 2005-12-22 2008-03-12 フレェイ株式会社 音声伝達装置及び音声検知装置
US7872564B2 (en) * 2007-11-16 2011-01-18 Infineon Technologies Ag Integrated lateral short circuit for a beneficial modification of current distribution structure for xMR magnetoresistive sensors
FR2955942B1 (fr) * 2010-01-29 2013-01-04 Centre Nat Rech Scient Magnetometre integre et son procede de fabrication

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052748A (en) * 1974-04-01 1977-10-04 U.S. Philips Corporation Magnetoresistive magnetic head
NL7611522A (nl) * 1976-10-19 1978-04-21 Philips Nv Magnetoweerstand leeskop met onderdrukking van thermischhe ruis.
US4639806A (en) * 1983-09-09 1987-01-27 Sharp Kabushiki Kaisha Thin film magnetic head having a magnetized ferromagnetic film on the MR element
US4903158A (en) * 1988-07-28 1990-02-20 Eastman Kodak Company MR head with complementary easy axis permanent magnet
JPH02168408A (ja) * 1988-09-19 1990-06-28 Hitachi Ltd 記録再生用磁気ヘッドおよびその製造方法
US5005096A (en) * 1988-12-21 1991-04-02 International Business Machines Corporation Magnetoresistive read transducer having hard magnetic shunt bias
NL8902569A (nl) * 1989-10-17 1991-05-16 Philips Nv Dunnefilm magneetkop.
DE69227758T2 (de) * 1991-12-05 1999-07-29 Matsushita Electric Ind Co Ltd Magnetoresistiver Kopf

Also Published As

Publication number Publication date
US6028749A (en) 2000-02-22
KR200156789Y1 (ko) 1999-09-01
DE69315271D1 (de) 1998-01-02
JP2002000024U (ja) 2002-10-31
JPH06176326A (ja) 1994-06-24
KR940006298U (ko) 1994-03-22

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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee