DE69218567D1 - Dünnfilm-Magnetkopf mit Polymer auf unterbrochenen Flussleiterabschnitten, Produktionsverfahren und integrierte Struktur dasselbe enthaltend - Google Patents

Dünnfilm-Magnetkopf mit Polymer auf unterbrochenen Flussleiterabschnitten, Produktionsverfahren und integrierte Struktur dasselbe enthaltend

Info

Publication number
DE69218567D1
DE69218567D1 DE69218567T DE69218567T DE69218567D1 DE 69218567 D1 DE69218567 D1 DE 69218567D1 DE 69218567 T DE69218567 T DE 69218567T DE 69218567 T DE69218567 T DE 69218567T DE 69218567 D1 DE69218567 D1 DE 69218567D1
Authority
DE
Germany
Prior art keywords
polymer
thin film
magnetic head
production process
same
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
DE69218567T
Other languages
English (en)
Other versions
DE69218567T2 (de
Inventor
Todd Backer
Arthur Calderon
Wei Cheng Hsie
Terry Mitchell
William Wood
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.)
Onstream Inc Longmont Col Us
Original Assignee
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69218567D1 publication Critical patent/DE69218567D1/de
Publication of DE69218567T2 publication Critical patent/DE69218567T2/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
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains
    • 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
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
    • G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being 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
    • 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
    • G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69218567T 1991-12-20 1992-12-14 Dünnfilm-Magnetkopf mit Polymer auf unterbrochenen Flussleiterabschnitten, Produktionsverfahren und integrierte Struktur dasselbe enthaltend Expired - Fee Related DE69218567T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/811,556 US5646804A (en) 1991-05-21 1991-12-20 Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same

Publications (2)

Publication Number Publication Date
DE69218567D1 true DE69218567D1 (de) 1997-04-30
DE69218567T2 DE69218567T2 (de) 1997-09-11

Family

ID=25206877

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218567T Expired - Fee Related DE69218567T2 (de) 1991-12-20 1992-12-14 Dünnfilm-Magnetkopf mit Polymer auf unterbrochenen Flussleiterabschnitten, Produktionsverfahren und integrierte Struktur dasselbe enthaltend

Country Status (5)

Country Link
US (1) US5646804A (de)
EP (1) EP0549031B1 (de)
JP (1) JPH05242426A (de)
KR (1) KR930014292A (de)
DE (1) DE69218567T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027288A1 (en) * 1993-05-11 1994-11-24 Philips Electronics N.V. Magnetoresistive element having composite structure and thin film magnetic head incorporating same
US5930084A (en) * 1996-06-17 1999-07-27 International Business Machines Corporation Stabilized MR sensor and flux guide joined by contiguous junction
US6631546B1 (en) * 2000-02-01 2003-10-14 International Business Machines Corporation Self-aligned void filling for mushroomed plating

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8301188A (nl) * 1983-04-05 1984-11-01 Philips Nv Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement.
JPS6132215A (ja) * 1984-07-25 1986-02-14 Hitachi Ltd 磁気抵抗効果型ヘツド
JPS61107520A (ja) * 1984-10-31 1986-05-26 Sony Corp 多チヤンネル磁気抵抗効果型磁気ヘツド
JPS62128015A (ja) * 1985-11-29 1987-06-10 Hitachi Ltd 磁気抵抗効果型磁気ヘツド
JPH0727617B2 (ja) * 1986-03-19 1995-03-29 日本電気株式会社 薄膜磁気ヘッドの製造方法
FR2606197B1 (fr) * 1986-10-31 1988-12-02 Commissariat Energie Atomique Procede de realisation d'une tete magnetique permettant de simplifier la realisation des connexions electriques
JPS63177311A (ja) * 1987-01-19 1988-07-21 Hitachi Ltd 薄膜磁気ヘツド
US4825318A (en) * 1987-06-05 1989-04-25 Carnegie-Mellon University Compound read/write element for rigid magnetic disk files
US5111352A (en) * 1987-07-29 1992-05-05 Digital Equipment Corporation Three-pole magnetic head with reduced flux leakage
US4875124A (en) * 1988-01-11 1989-10-17 International Business Machines Corporation Thin film magnetic heads with thermally crosslinked insulation
JP2546875B2 (ja) * 1988-03-02 1996-10-23 株式会社日立製作所 磁気抵抗効果型ヘッド
JPH025219A (ja) * 1988-06-23 1990-01-10 Sharp Corp 薄膜磁気ヘッドの製造方法
US5032944A (en) * 1989-01-12 1991-07-16 Mitsubishi Denki Kabushiki Kaisha Membrane type magnetic head
NL8902570A (nl) * 1989-10-17 1991-05-16 Philips Nv Dunnefilm magneetkop.
US5241439A (en) * 1991-07-02 1993-08-31 U.S. Philips Corporation Combined read/write thin film magnetic head with two pairs of flux guides

Also Published As

Publication number Publication date
EP0549031B1 (de) 1997-03-26
DE69218567T2 (de) 1997-09-11
KR930014292A (ko) 1993-07-22
US5646804A (en) 1997-07-08
EP0549031A1 (de) 1993-06-30
JPH05242426A (ja) 1993-09-21

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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: ONSTREAM, INC., LONGMONT, COL., US

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

Free format text: HOFFMANN * EITLE, 81925 MUENCHEN

8339 Ceased/non-payment of the annual fee