FR2787197B1 - Capteur de champ magnetique a magnetoresistance geante - Google Patents

Capteur de champ magnetique a magnetoresistance geante

Info

Publication number
FR2787197B1
FR2787197B1 FR9815697A FR9815697A FR2787197B1 FR 2787197 B1 FR2787197 B1 FR 2787197B1 FR 9815697 A FR9815697 A FR 9815697A FR 9815697 A FR9815697 A FR 9815697A FR 2787197 B1 FR2787197 B1 FR 2787197B1
Authority
FR
France
Prior art keywords
magnetic field
field sensor
giant magnetoresistance
magnetoresistance
giant
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
FR9815697A
Other languages
English (en)
Other versions
FR2787197A1 (fr
Inventor
Van Dau Frederic Nguyen
Alain Schuhl
Armando Encinas
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 FR9815697A priority Critical patent/FR2787197B1/fr
Priority to US09/601,333 priority patent/US6496004B1/en
Priority to PCT/FR1999/003101 priority patent/WO2000036429A1/fr
Priority to EP99958303A priority patent/EP1055132A1/fr
Priority to JP2000588616A priority patent/JP2002532894A/ja
Publication of FR2787197A1 publication Critical patent/FR2787197A1/fr
Application granted granted Critical
Publication of FR2787197B1 publication Critical patent/FR2787197B1/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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1107—Magnetoresistive
    • Y10T428/1121—Multilayer

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
FR9815697A 1998-12-11 1998-12-11 Capteur de champ magnetique a magnetoresistance geante Expired - Fee Related FR2787197B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9815697A FR2787197B1 (fr) 1998-12-11 1998-12-11 Capteur de champ magnetique a magnetoresistance geante
US09/601,333 US6496004B1 (en) 1998-12-11 1999-12-10 Magnetic field sensor using magneto-resistance of ferromagnetic layers with parallel magnetic axes
PCT/FR1999/003101 WO2000036429A1 (fr) 1998-12-11 1999-12-10 Capteur de champ magnetique a magnetoresistance geante
EP99958303A EP1055132A1 (fr) 1998-12-11 1999-12-10 Capteur de champ magnetique a magnetoresistance geante
JP2000588616A JP2002532894A (ja) 1998-12-11 1999-12-10 巨大磁気抵抗効果を有する磁界センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9815697A FR2787197B1 (fr) 1998-12-11 1998-12-11 Capteur de champ magnetique a magnetoresistance geante

Publications (2)

Publication Number Publication Date
FR2787197A1 FR2787197A1 (fr) 2000-06-16
FR2787197B1 true FR2787197B1 (fr) 2001-02-23

Family

ID=9533891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9815697A Expired - Fee Related FR2787197B1 (fr) 1998-12-11 1998-12-11 Capteur de champ magnetique a magnetoresistance geante

Country Status (5)

Country Link
US (1) US6496004B1 (fr)
EP (1) EP1055132A1 (fr)
JP (1) JP2002532894A (fr)
FR (1) FR2787197B1 (fr)
WO (1) WO2000036429A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359412B (en) * 1998-09-28 2003-01-22 Seagate Technology Llc Quad-layer GMR sandwich
FR2817077B1 (fr) 2000-11-17 2003-03-07 Thomson Csf Capacite variable commandable en tension par utilisation du phenomene de "blocage de coulomb"
FR2828001B1 (fr) * 2001-07-27 2003-10-10 Thales Sa Dispositif de commande de renversement de sens d'aimantation sans champ magnetique externe
WO2004075554A1 (fr) * 2003-02-18 2004-09-02 Nokia Corporation Procede de decodage d'images
KR100711635B1 (ko) 2003-02-18 2007-04-25 노키아 코포레이션 화상 부호화 방법
DE10357150A1 (de) 2003-12-06 2005-06-30 Robert Bosch Gmbh Magnetsensoranordnung
US9124907B2 (en) 2004-10-04 2015-09-01 Nokia Technologies Oy Picture buffering method
FR2879349B1 (fr) * 2004-12-15 2007-05-11 Thales Sa Dispositif a electronique de spin a commande par deplacement de parois induit par un courant de porteurs polarises en spin
FR2880131B1 (fr) * 2004-12-23 2007-03-16 Thales Sa Procede de mesure d'un champ magnetique faible et capteur de champ magnetique a sensibilite amelioree
FR2911690B1 (fr) 2007-01-19 2009-03-06 Thales Sa Dispositif d'amplification magnetique comportant un capteur magnetique a sensibilite longitudinale
FR2966636B1 (fr) * 2010-10-26 2012-12-14 Centre Nat Rech Scient Element magnetique inscriptible
JP6003371B2 (ja) * 2012-08-07 2016-10-05 Tdk株式会社 回転磁界センサ
US12006587B2 (en) * 2020-02-19 2024-06-11 Mark R. Schroeder Highly magnetically permeable alloy deposition method for magnetic sensors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820475C1 (fr) * 1988-06-16 1989-12-21 Kernforschungsanlage Juelich Gmbh, 5170 Juelich, De
FR2722918B1 (fr) * 1994-07-21 1996-08-30 Commissariat Energie Atomique Capteur a magnetoresistance multicouche autopolarisee
US5561368A (en) * 1994-11-04 1996-10-01 International Business Machines Corporation Bridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrate
EP0793808B1 (fr) * 1994-11-21 1998-08-19 International Business Machines Corporation Capteur magnetoresistif
FR2752302B1 (fr) * 1996-08-08 1998-09-11 Commissariat Energie Atomique Capteur de champ magnetique a pont de magnetoresistances
DE19649265C2 (de) * 1996-11-28 2001-03-15 Inst Physikalische Hochtech Ev GMR-Sensor mit einer Wheatstonebrücke
JP2000504430A (ja) * 1996-12-04 2000-04-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁界検出装置

Also Published As

Publication number Publication date
JP2002532894A (ja) 2002-10-02
FR2787197A1 (fr) 2000-06-16
US6496004B1 (en) 2002-12-17
WO2000036429A1 (fr) 2000-06-22
EP1055132A1 (fr) 2000-11-29

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Legal Events

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

Effective date: 20090831