DE69026997D1 - Dünnfilmmagnetkopf - Google Patents

Dünnfilmmagnetkopf

Info

Publication number
DE69026997D1
DE69026997D1 DE69026997T DE69026997T DE69026997D1 DE 69026997 D1 DE69026997 D1 DE 69026997D1 DE 69026997 T DE69026997 T DE 69026997T DE 69026997 T DE69026997 T DE 69026997T DE 69026997 D1 DE69026997 D1 DE 69026997D1
Authority
DE
Germany
Prior art keywords
thin film
magnetic head
film magnetic
head
thin
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
DE69026997T
Other languages
English (en)
Other versions
DE69026997T2 (de
Inventor
Gerardus Henricus Johan Somers
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
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 DE69026997D1 publication Critical patent/DE69026997D1/de
Publication of DE69026997T2 publication Critical patent/DE69026997T2/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive 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
    • 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
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • 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
    • G11B5/397—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read with a plurality of independent magnetoresistive active read-out elements for respectively transducing from selected components
DE69026997T 1989-10-17 1990-10-12 Dünnfilmmagnetkopf Expired - Fee Related DE69026997T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8902570A NL8902570A (nl) 1989-10-17 1989-10-17 Dunnefilm magneetkop.

Publications (2)

Publication Number Publication Date
DE69026997D1 true DE69026997D1 (de) 1996-06-20
DE69026997T2 DE69026997T2 (de) 1996-11-21

Family

ID=19855468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69026997T Expired - Fee Related DE69026997T2 (de) 1989-10-17 1990-10-12 Dünnfilmmagnetkopf

Country Status (6)

Country Link
US (1) US5115364A (de)
EP (1) EP0423879B1 (de)
JP (1) JPH03134811A (de)
KR (1) KR910008656A (de)
DE (1) DE69026997T2 (de)
NL (1) NL8902570A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5646804A (en) * 1991-05-21 1997-07-08 Philips Electronics North America Corporation Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same
JPH04370511A (ja) * 1991-06-20 1992-12-22 Matsushita Electric Ind Co Ltd 積層型磁気抵抗ヘッド
US5508868A (en) * 1993-01-25 1996-04-16 Read-Rite Corporation Dual element magnetoresistive sensing head having in-gap flux guide and flux closure piece with particular connection of magnetoresistive sensing elements to differential amplifier
JP2688173B2 (ja) * 1993-05-18 1997-12-08 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気抵抗読取りトランスジューサ
JPH0916916A (ja) * 1995-06-29 1997-01-17 Sony Corp 薄膜磁気ヘッド及びその製造方法
JP3776797B2 (ja) * 2001-12-28 2006-05-17 株式会社東芝 磁気記録再生装置
US7505233B2 (en) * 2004-12-15 2009-03-17 International Business Machines Corporation Magnetic sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU576947B2 (en) * 1985-03-08 1988-09-08 Sony Corporation Combination magnetic transducer head

Also Published As

Publication number Publication date
JPH03134811A (ja) 1991-06-07
US5115364A (en) 1992-05-19
NL8902570A (nl) 1991-05-16
DE69026997T2 (de) 1996-11-21
EP0423879B1 (de) 1996-05-15
KR910008656A (ko) 1991-05-31
EP0423879A1 (de) 1991-04-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee