FR2774500B1 - Tete magnetique de lecture a element magnetoresistant et a element conducteur de compensation - Google Patents

Tete magnetique de lecture a element magnetoresistant et a element conducteur de compensation

Info

Publication number
FR2774500B1
FR2774500B1 FR9801214A FR9801214A FR2774500B1 FR 2774500 B1 FR2774500 B1 FR 2774500B1 FR 9801214 A FR9801214 A FR 9801214A FR 9801214 A FR9801214 A FR 9801214A FR 2774500 B1 FR2774500 B1 FR 2774500B1
Authority
FR
France
Prior art keywords
magnetoresistent
reading head
magnetic reading
compensation conducting
conducting element
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
FR9801214A
Other languages
English (en)
Other versions
FR2774500A1 (fr
Inventor
Jean Pierre Lazzari
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.)
Silmag SA
Original Assignee
Silmag SA
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 Silmag SA filed Critical Silmag SA
Priority to FR9801214A priority Critical patent/FR2774500B1/fr
Publication of FR2774500A1 publication Critical patent/FR2774500A1/fr
Application granted granted Critical
Publication of FR2774500B1 publication Critical patent/FR2774500B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B5/3912—Arrangements in which the active read-out elements are transducing in association with active magnetic shields, e.g. magnetically coupled shields
    • 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
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
    • 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
    • G11B2005/3996—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 large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Heads (AREA)
FR9801214A 1998-02-03 1998-02-03 Tete magnetique de lecture a element magnetoresistant et a element conducteur de compensation Expired - Fee Related FR2774500B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9801214A FR2774500B1 (fr) 1998-02-03 1998-02-03 Tete magnetique de lecture a element magnetoresistant et a element conducteur de compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9801214A FR2774500B1 (fr) 1998-02-03 1998-02-03 Tete magnetique de lecture a element magnetoresistant et a element conducteur de compensation

Publications (2)

Publication Number Publication Date
FR2774500A1 FR2774500A1 (fr) 1999-08-06
FR2774500B1 true FR2774500B1 (fr) 2000-04-07

Family

ID=9522519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9801214A Expired - Fee Related FR2774500B1 (fr) 1998-02-03 1998-02-03 Tete magnetique de lecture a element magnetoresistant et a element conducteur de compensation

Country Status (1)

Country Link
FR (1) FR2774500B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306215A (en) * 1979-03-23 1981-12-15 Spin Physics, Inc. Thin magnetoresistive head
US4343026A (en) * 1980-07-09 1982-08-03 Spin Physics, Inc. Magnetoresistive head employing field feedback
US5301079A (en) * 1992-11-17 1994-04-05 International Business Machines Corporation Current biased magnetoresistive spin valve sensor
FR2724481B1 (fr) * 1994-09-13 1996-10-18 Commissariat Energie Atomique Tete magnetique planaire a magnetoresistance multicouche longitudinale
JPH09282619A (ja) * 1996-04-15 1997-10-31 Fujitsu Ltd 磁気ヘッド及びこれを使用する記録再生装置
US5696656A (en) * 1996-09-06 1997-12-09 International Business Machines Corporation Highly sensitive orthogonal spin valve read head

Also Published As

Publication number Publication date
FR2774500A1 (fr) 1999-08-06

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse