BE815689A - Perfectionnements aux transducteurs magnetiques - Google Patents

Perfectionnements aux transducteurs magnetiques

Info

Publication number
BE815689A
BE815689A BE144880A BE144880A BE815689A BE 815689 A BE815689 A BE 815689A BE 144880 A BE144880 A BE 144880A BE 144880 A BE144880 A BE 144880A BE 815689 A BE815689 A BE 815689A
Authority
BE
Belgium
Prior art keywords
magnetic transducers
transducers
magnetic
Prior art date
Application number
BE144880A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE815689A publication Critical patent/BE815689A/xx

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
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • G11B5/3951—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes
    • G11B5/3954—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes the active elements transducing on a single track
    • 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)
  • Hall/Mr Elements (AREA)
BE144880A 1973-02-27 1974-05-29 Perfectionnements aux transducteurs magnetiques BE815689A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7306826A FR2219482B1 (it) 1973-02-27 1973-02-27

Publications (1)

Publication Number Publication Date
BE815689A true BE815689A (fr) 1974-09-16

Family

ID=9115438

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144880A BE815689A (fr) 1973-02-27 1974-05-29 Perfectionnements aux transducteurs magnetiques

Country Status (7)

Country Link
US (1) US3879760A (it)
BE (1) BE815689A (it)
DE (1) DE2409323B2 (it)
FR (1) FR2219482B1 (it)
GB (1) GB1457189A (it)
IT (1) IT1004930B (it)
NL (1) NL7401548A (it)

Families Citing this family (18)

* 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
NL7405727A (nl) * 1974-04-29 1975-10-31 Philips Nv Magnetoweerstandkop.
DE2615539C2 (de) * 1975-04-14 1986-01-16 N.V. Philips' Gloeilampenfabrieken, Eindhoven Magnetkopf mit magnetoresistivem Element
US4012781A (en) * 1975-08-14 1977-03-15 International Business Machines Corporation Magnetoresistive read head assembly for servo operation
JPS52117609A (en) * 1976-03-29 1977-10-03 Fujitsu Ltd Magnetic head
US4356523A (en) * 1980-06-09 1982-10-26 Ampex Corporation Narrow track magnetoresistive transducer assembly
NL8101962A (nl) * 1981-04-22 1982-11-16 Philips Nv Magnetische sensor.
JPS58100214A (ja) * 1981-12-10 1983-06-14 Matsushita Electric Ind Co Ltd 薄膜磁気ヘツド
US4589041A (en) * 1982-08-30 1986-05-13 International Business Machines Corporation Differential magnetoresistive sensor for vertical recording
US6600631B1 (en) * 1989-11-27 2003-07-29 Censtor Corp. Transducer/flexure/conductor structure for electromagnetic read/write system
US5155642A (en) * 1989-11-29 1992-10-13 International Business Machines Corporation Anisotropy configuration for longitudinally constrained magnetoresistive transducers
US5079831A (en) * 1991-02-07 1992-01-14 Applied Magnetics Corporation Method of making a dual stripe magnetic head
US5159513A (en) * 1991-02-08 1992-10-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
US5270892A (en) * 1992-06-05 1993-12-14 Hewlett-Packard Company Conductor configuration for magnetoresistive transducers
EP0605336B1 (en) * 1992-12-29 2002-05-08 Eastman Kodak Company A magnetoresistive magnetic field sensor with a very long active region
US6510031B1 (en) * 1995-03-31 2003-01-21 International Business Machines Corporation Magnetoresistive sensor with magnetostatic coupling to obtain opposite alignment of magnetic regions
US5706151A (en) * 1996-12-12 1998-01-06 Eastman Kodak Company Low bias current paired magnetoresistive head with misaligned anisotropy axes
US7180715B2 (en) * 2004-02-26 2007-02-20 Hitachi Global Storage Technologies Netherlands B.V. Canted easy axis in self-pinned layers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274575A (en) * 1963-08-01 1966-09-20 Koster Heinz Adolf De Transducer having a magneto-resistive bridge circuit
US3731007A (en) * 1971-04-19 1973-05-01 Denki Onkyo Co Ltd Magnetic head having a magneto-resistive bridge circuit
US3813692A (en) * 1972-10-11 1974-05-28 Ibm Internally biased magnetoresistive magnetic transducer

Also Published As

Publication number Publication date
DE2409323A1 (de) 1974-09-19
FR2219482A1 (it) 1974-09-20
FR2219482B1 (it) 1978-03-03
DE2409323C3 (it) 1979-04-05
US3879760A (en) 1975-04-22
NL7401548A (it) 1974-08-29
DE2409323B2 (de) 1978-07-27
IT1004930B (it) 1976-07-20
GB1457189A (en) 1976-12-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE HONEYWELL BULL

Effective date: 19910531