FR2693021B1 - Magnetic field detector. - Google Patents

Magnetic field detector.

Info

Publication number
FR2693021B1
FR2693021B1 FR9207881A FR9207881A FR2693021B1 FR 2693021 B1 FR2693021 B1 FR 2693021B1 FR 9207881 A FR9207881 A FR 9207881A FR 9207881 A FR9207881 A FR 9207881A FR 2693021 B1 FR2693021 B1 FR 2693021B1
Authority
FR
France
Prior art keywords
magnetic field
field detector
detector
magnetic
field
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
FR9207881A
Other languages
French (fr)
Other versions
FR2693021A1 (en
Inventor
Patrick Etienne
Alain Schuhl
Alain Friederich
Regis Cabanel
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9207881A priority Critical patent/FR2693021B1/en
Priority to PCT/FR1993/000640 priority patent/WO1994000774A1/en
Priority to EP93913193A priority patent/EP0647323A1/en
Publication of FR2693021A1 publication Critical patent/FR2693021A1/en
Application granted granted Critical
Publication of FR2693021B1 publication Critical patent/FR2693021B1/en
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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Magnetic Variables (AREA)
FR9207881A 1992-06-26 1992-06-26 Magnetic field detector. Expired - Fee Related FR2693021B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9207881A FR2693021B1 (en) 1992-06-26 1992-06-26 Magnetic field detector.
PCT/FR1993/000640 WO1994000774A1 (en) 1992-06-26 1993-06-25 Magnetic field sensor
EP93913193A EP0647323A1 (en) 1992-06-26 1993-06-25 Magnetic field sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9207881A FR2693021B1 (en) 1992-06-26 1992-06-26 Magnetic field detector.

Publications (2)

Publication Number Publication Date
FR2693021A1 FR2693021A1 (en) 1993-12-31
FR2693021B1 true FR2693021B1 (en) 1994-08-26

Family

ID=9431240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9207881A Expired - Fee Related FR2693021B1 (en) 1992-06-26 1992-06-26 Magnetic field detector.

Country Status (3)

Country Link
EP (1) EP0647323A1 (en)
FR (1) FR2693021B1 (en)
WO (1) WO1994000774A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452163A (en) * 1993-12-23 1995-09-19 International Business Machines Corporation Multilayer magnetoresistive sensor
DE19949714A1 (en) * 1999-10-15 2001-04-26 Bosch Gmbh Robert Magnetically sensitive component used as a sensor element operating according to a spin-valve principle in vehicles comprises two magneto-resistive layer systems with a reference layer, an intermediate layer and a detection layer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183016A (en) * 1985-06-28 1987-08-11 Nec Kansai Ltd Magneto-resistance effect head
FR2648942B1 (en) * 1989-06-27 1995-08-11 Thomson Csf SENSOR WITH MAGNETORESISTIVE EFFECT
US5998040A (en) * 1990-12-10 1999-12-07 Hitachi, Ltd. Multilayer which shows magnetoresistive effect and magnetoresistive element using the same
JPH1073517A (en) * 1996-08-30 1998-03-17 Toyota Motor Corp Testing apparatus for motive power source of hybrid vehicle

Also Published As

Publication number Publication date
WO1994000774A1 (en) 1994-01-06
FR2693021A1 (en) 1993-12-31
EP0647323A1 (en) 1995-04-12

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse

Effective date: 20070228