DE69432967D1 - Dünnschicht Magnetfelddetektor - Google Patents

Dünnschicht Magnetfelddetektor

Info

Publication number
DE69432967D1
DE69432967D1 DE69432967T DE69432967T DE69432967D1 DE 69432967 D1 DE69432967 D1 DE 69432967D1 DE 69432967 T DE69432967 T DE 69432967T DE 69432967 T DE69432967 T DE 69432967T DE 69432967 D1 DE69432967 D1 DE 69432967D1
Authority
DE
Germany
Prior art keywords
thin film
magnetic field
film magnetic
field detector
detector
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
DE69432967T
Other languages
English (en)
Other versions
DE69432967T2 (de
Inventor
Alain Schuhl
Jeffrey Childress
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
Thales 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 Thales SA filed Critical Thales SA
Publication of DE69432967D1 publication Critical patent/DE69432967D1/de
Application granted granted Critical
Publication of DE69432967T2 publication Critical patent/DE69432967T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01R33/07—Hall effect devices
    • 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
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • G11B5/376—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect in semi-conductors

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
DE69432967T 1993-12-23 1994-12-20 Magnetfeldsonde in Dünnschichtechnik Expired - Fee Related DE69432967T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9315551A FR2714478B1 (fr) 1993-12-23 1993-12-23 Détecteur de champ magnétique en couches minces.
FR9315551 1993-12-23

Publications (2)

Publication Number Publication Date
DE69432967D1 true DE69432967D1 (de) 2003-08-28
DE69432967T2 DE69432967T2 (de) 2004-06-09

Family

ID=9454313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69432967T Expired - Fee Related DE69432967T2 (de) 1993-12-23 1994-12-20 Magnetfeldsonde in Dünnschichtechnik

Country Status (4)

Country Link
US (1) US5521500A (de)
EP (1) EP0660128B1 (de)
DE (1) DE69432967T2 (de)
FR (1) FR2714478B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2111459B1 (es) * 1995-05-22 1998-10-01 Univ Madrid Complutense Dispositivo para la deteccion y medicion de campos magneticos.
DE19608730C2 (de) * 1996-03-06 1998-05-28 Siemens Ag Magnetfeldempfindlicher Sensor mit einem Dünnschichtaufbau und Verwendung des Sensors
US6166539A (en) * 1996-10-30 2000-12-26 Regents Of The University Of Minnesota Magnetoresistance sensor having minimal hysteresis problems
US5747997A (en) * 1996-06-05 1998-05-05 Regents Of The University Of Minnesota Spin-valve magnetoresistance sensor having minimal hysteresis problems
FR2750769B1 (fr) * 1996-07-05 1998-11-13 Thomson Csf Capteur de champ magnetique en couche mince
US6195228B1 (en) * 1997-01-06 2001-02-27 Nec Research Institute, Inc. Thin, horizontal-plane hall sensors for read-heads in magnetic recording
FR2771511B1 (fr) 1997-11-25 2000-02-04 Thomson Csf Capteur de champ magnetique et procede de fabrication de ce capteur
US6480365B1 (en) * 1999-12-09 2002-11-12 International Business Machines Corporation Spin valve transistor using a magnetic tunnel junction
JP3955195B2 (ja) * 2001-08-24 2007-08-08 株式会社日立グローバルストレージテクノロジーズ 磁界センサー及び磁気ヘッド
US7230804B2 (en) * 2003-05-02 2007-06-12 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for providing a magnetic tunnel transistor with a self-pinned emitter
US7916435B1 (en) 2003-05-02 2011-03-29 Hitachi Global Storage Technologies Netherlands B.V. Magnetic tunnel transistor having a base structure that provides polarization of unpolarized electrons from an emitter based upon a magnetic orientation of a free layer and a self-pinned layer
WO2005111546A2 (en) * 2004-05-14 2005-11-24 Philips Intellectual Property & Standards Gmbh Sensor element and associated angle measurement system
US8316552B1 (en) 2011-05-05 2012-11-27 Honeywell International Inc. Systems and methods for three-axis sensor chip packages
US8459112B2 (en) 2011-06-09 2013-06-11 Honeywell International Inc. Systems and methods for three dimensional sensors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1541813A1 (de) * 1966-07-25 1969-07-17 Siemens Ag Verfahren zum Messen von magnetischen Feldstaerken mittels einer Messsonde
JPS52131711A (en) * 1976-04-28 1977-11-04 Kokusai Denshin Denwa Co Ltd Thin film magnetic head
DE3323197A1 (de) * 1983-02-18 1984-08-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Magnetfeldsensor und einen magnetfeldsensor enthaltender postitionssensor
DE3502008A1 (de) * 1985-01-23 1986-07-24 Standard Elektrik Lorenz Ag, 7000 Stuttgart Dehnungsaufnehmer
US4683535A (en) * 1985-04-02 1987-07-28 Stichting Centruum Voor Micro Electronika Twente Thin film magnetometer
US4926226A (en) * 1988-09-06 1990-05-15 General Motors Corporation Magnetic field sensors

Also Published As

Publication number Publication date
FR2714478A1 (fr) 1995-06-30
EP0660128A1 (de) 1995-06-28
EP0660128B1 (de) 2003-07-23
FR2714478B1 (fr) 1996-01-26
DE69432967T2 (de) 2004-06-09
US5521500A (en) 1996-05-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee