NL9001629A - Dunnefilm magneetkop. - Google Patents

Dunnefilm magneetkop. Download PDF

Info

Publication number
NL9001629A
NL9001629A NL9001629A NL9001629A NL9001629A NL 9001629 A NL9001629 A NL 9001629A NL 9001629 A NL9001629 A NL 9001629A NL 9001629 A NL9001629 A NL 9001629A NL 9001629 A NL9001629 A NL 9001629A
Authority
NL
Netherlands
Prior art keywords
flux conductor
flux
thin
magnetic head
film magnetic
Prior art date
Application number
NL9001629A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL9001629A priority Critical patent/NL9001629A/nl
Priority to MYPI91001130A priority patent/MY107484A/en
Priority to US07/725,093 priority patent/US5247412A/en
Priority to DE69119835T priority patent/DE69119835T2/de
Priority to EP91201791A priority patent/EP0467457B1/de
Priority to JP3201169A priority patent/JPH04254911A/ja
Publication of NL9001629A publication Critical patent/NL9001629A/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B5/3903Structure 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
    • G11B5/3906Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916Arrangements 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
    • G11B5/3919Arrangements 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
    • G11B5/3922Arrangements 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
    • G11B5/3925Arrangements 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B5/3903Structure 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109Details
    • G11B5/3113Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL9001629A 1990-07-18 1990-07-18 Dunnefilm magneetkop. NL9001629A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL9001629A NL9001629A (nl) 1990-07-18 1990-07-18 Dunnefilm magneetkop.
MYPI91001130A MY107484A (en) 1990-07-18 1991-06-24 Thin-film magnetic head.
US07/725,093 US5247412A (en) 1990-07-18 1991-07-02 Thin-film magnetic head
DE69119835T DE69119835T2 (de) 1990-07-18 1991-07-09 Dünnfilm-Magnetkopf
EP91201791A EP0467457B1 (de) 1990-07-18 1991-07-09 Dünnfilm-Magnetkopf
JP3201169A JPH04254911A (ja) 1990-07-18 1991-07-17 薄膜磁気ヘッド

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9001629 1990-07-18
NL9001629A NL9001629A (nl) 1990-07-18 1990-07-18 Dunnefilm magneetkop.

Publications (1)

Publication Number Publication Date
NL9001629A true NL9001629A (nl) 1992-02-17

Family

ID=19857426

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9001629A NL9001629A (nl) 1990-07-18 1990-07-18 Dunnefilm magneetkop.

Country Status (6)

Country Link
US (1) US5247412A (de)
EP (1) EP0467457B1 (de)
JP (1) JPH04254911A (de)
DE (1) DE69119835T2 (de)
MY (1) MY107484A (de)
NL (1) NL9001629A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2857286B2 (ja) * 1991-09-27 1999-02-17 シャープ株式会社 磁気抵抗効果型薄膜磁気ヘッド

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592222A (ja) * 1982-06-28 1984-01-07 Canon Inc 磁気抵抗効果型磁気ヘツド
US4566050A (en) * 1982-12-30 1986-01-21 International Business Machines Corp. (Ibm) Skew insensitive magnetic read head
JPS61199684A (ja) * 1985-03-01 1986-09-04 Hitachi Ltd 磁気抵抗効果型素子
US5097372A (en) * 1989-08-04 1992-03-17 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head with wide recording area and narrow reproducing area

Also Published As

Publication number Publication date
US5247412A (en) 1993-09-21
DE69119835D1 (de) 1996-07-04
DE69119835T2 (de) 1996-12-12
JPH04254911A (ja) 1992-09-10
MY107484A (en) 1995-12-31
EP0467457A1 (de) 1992-01-22
EP0467457B1 (de) 1996-05-29

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed