DE69627836D1 - Mehrschichtstruktur-magnetkopf mit elektrisch leitenden kopfelementen - Google Patents

Mehrschichtstruktur-magnetkopf mit elektrisch leitenden kopfelementen

Info

Publication number
DE69627836D1
DE69627836D1 DE69627836T DE69627836T DE69627836D1 DE 69627836 D1 DE69627836 D1 DE 69627836D1 DE 69627836 T DE69627836 T DE 69627836T DE 69627836 T DE69627836 T DE 69627836T DE 69627836 D1 DE69627836 D1 DE 69627836D1
Authority
DE
Germany
Prior art keywords
electrically conductive
multilayer structure
structure magnetic
head
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 - Lifetime
Application number
DE69627836T
Other languages
English (en)
Inventor
Aize Draaisma
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
OnStream Inc
Original Assignee
Koninklijke Philips Electronics NV
OnStream Inc
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, OnStream Inc filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69627836D1 publication Critical patent/DE69627836D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/3906—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
    • G11B5/31—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
    • G11B5/313—Disposition of 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
    • 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
    • G11B5/3977—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 from different information tracks
    • 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
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69627836T 1995-12-27 1996-12-06 Mehrschichtstruktur-magnetkopf mit elektrisch leitenden kopfelementen Expired - Lifetime DE69627836D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203639 1995-12-27
PCT/IB1996/001375 WO1997024712A1 (en) 1995-12-27 1996-12-06 Magnetic head comprising a multilayer structure with electrically conducting head elements

Publications (1)

Publication Number Publication Date
DE69627836D1 true DE69627836D1 (de) 2003-06-05

Family

ID=8221013

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69627836T Expired - Lifetime DE69627836D1 (de) 1995-12-27 1996-12-06 Mehrschichtstruktur-magnetkopf mit elektrisch leitenden kopfelementen

Country Status (6)

Country Link
US (1) US5796562A (de)
EP (1) EP0812455B1 (de)
JP (1) JPH11501446A (de)
CN (1) CN1176704A (de)
DE (1) DE69627836D1 (de)
WO (1) WO1997024712A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5940956A (en) * 1996-10-31 1999-08-24 Aiwa Co., Ltd. Chemical-mechanical contouring (CMC) method for forming a contoured surface
EP1903159A1 (de) 2006-09-21 2008-03-26 GA.MI s.r.l. Tragkonstruktion für einen Doppelboden und andere moduläre Baustrukturen
US10930306B1 (en) * 2019-11-12 2021-02-23 International Business Machines Corporation Magnetic measurement of head span spacing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821815A (en) * 1972-10-11 1974-06-28 Ibm Apparatus for batch fabricating magnetic film heads and method therefor
US4072993A (en) * 1974-11-12 1978-02-07 Matsushita Electric Industrial Co., Ltd. Multi-element magnetic head
DE3204184A1 (de) * 1982-02-06 1983-08-11 Robert Bosch Gmbh, 7000 Stuttgart Duennschicht-mehrspur-magnetkopf hoher spurdichte
JPS6457413A (en) * 1987-08-27 1989-03-03 Matsushita Electric Ind Co Ltd Thin film magnetic head
NL9001147A (nl) * 1990-05-17 1991-12-16 Philips Nv Dunnefilm magneetkop.
NL9100191A (nl) * 1991-02-04 1992-09-01 Philips Nv Werkwijze voor het vervaardigen van een magneetkop en magneetkop vervaardigd volgens de werkwijze.
US5065483A (en) * 1991-02-19 1991-11-19 International Business Machines Corporation Method of lapping magnetic recording heads
MY107033A (en) * 1992-02-12 1995-08-30 Koninklijke Philips Electronics Nv Magnetic head

Also Published As

Publication number Publication date
CN1176704A (zh) 1998-03-18
EP0812455A1 (de) 1997-12-17
JPH11501446A (ja) 1999-02-02
WO1997024712A1 (en) 1997-07-10
EP0812455B1 (de) 2003-05-02
US5796562A (en) 1998-08-18

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Legal Events

Date Code Title Description
8332 No legal effect for de