GB2356059B - Multilayer magneto resistive sensor/bridge circuit arrangement - Google Patents

Multilayer magneto resistive sensor/bridge circuit arrangement

Info

Publication number
GB2356059B
GB2356059B GB0025192A GB0025192A GB2356059B GB 2356059 B GB2356059 B GB 2356059B GB 0025192 A GB0025192 A GB 0025192A GB 0025192 A GB0025192 A GB 0025192A GB 2356059 B GB2356059 B GB 2356059B
Authority
GB
United Kingdom
Prior art keywords
bridge circuit
circuit arrangement
resistive sensor
magneto resistive
multilayer magneto
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
GB0025192A
Other versions
GB2356059A8 (en
GB2356059A (en
GB0025192D0 (en
Inventor
Gunther Haas
Martin Freitag
Andrew Johnson
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to GB0212192A priority Critical patent/GB2373061B/en
Publication of GB0025192D0 publication Critical patent/GB0025192D0/en
Publication of GB2356059A publication Critical patent/GB2356059A/en
Publication of GB2356059A8 publication Critical patent/GB2356059A8/en
Application granted granted Critical
Publication of GB2356059B publication Critical patent/GB2356059B/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

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)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
GB0025192A 1999-10-15 2000-10-13 Multilayer magneto resistive sensor/bridge circuit arrangement Expired - Fee Related GB2356059B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0212192A GB2373061B (en) 1999-10-15 2000-10-13 Process for manufacturing a magnetically sensitive component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1999149714 DE19949714A1 (en) 1999-10-15 1999-10-15 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

Publications (4)

Publication Number Publication Date
GB0025192D0 GB0025192D0 (en) 2000-11-29
GB2356059A GB2356059A (en) 2001-05-09
GB2356059A8 GB2356059A8 (en) 2002-03-20
GB2356059B true GB2356059B (en) 2002-08-14

Family

ID=7925746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0025192A Expired - Fee Related GB2356059B (en) 1999-10-15 2000-10-13 Multilayer magneto resistive sensor/bridge circuit arrangement

Country Status (3)

Country Link
DE (1) DE19949714A1 (en)
FR (1) FR2800915A1 (en)
GB (1) GB2356059B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10113131B4 (en) * 2001-03-17 2006-11-16 Sensitec Gmbh Arrangement for measuring the magnetic field strength or local differences of magnetic field strengths, as well as circuit arrangement for the evaluation unit and uses of the arrangement and the circuit arrangement
DE10128135A1 (en) 2001-06-09 2002-12-19 Bosch Gmbh Robert Magneto-resistive layer arrangement used in a GMR sensor element, an AMR sensor element or a gradiometer comprises a non-magnetic electrically conducting intermediate layer arranged between magnetic layers, and a hard magnetic layer
DE10202287C1 (en) * 2002-01-22 2003-08-07 Siemens Ag Monolithic bridge circuit manufacturing method, by heating of anti-ferromagnetic layers to above blocking temperature and cooled so that it follows magnetization of adjacent magnetic reference layers
DE10214946B4 (en) * 2002-04-04 2006-01-19 "Stiftung Caesar" (Center Of Advanced European Studies And Research) TMR sensor
DE10222395B4 (en) * 2002-05-21 2010-08-05 Siemens Ag Circuit device with a plurality of TMR sensor elements
DE10251566A1 (en) * 2002-11-06 2004-05-27 Robert Bosch Gmbh GMR magnetoresistive layer method of manufacture for use in manufacture of GMR storage components or a GMR sensor elements, according to the spin-valve principle, whereby two magnetization steps are applied
DE10255327A1 (en) 2002-11-27 2004-06-24 Robert Bosch Gmbh Magnetoresistive sensor element and method for reducing the angular error of a magnetoresistive sensor element
DE10308030B4 (en) 2003-02-24 2011-02-03 Meas Deutschland Gmbh Magnetoresistive sensor for determining an angle or position
DE102004032484B3 (en) 2004-07-05 2005-11-24 Infineon Technologies Ag Sensor and method for manufacturing a sensor
DE102005009390B3 (en) * 2005-03-01 2006-10-26 Infineon Technologies Ag Force sensor, for pressure sensor, has magnetic layers, whose directions of magnetization are aligned parallelly due to ferromagnetic coupling or are aligned antiparallel due to antiferromagnetic coupling in ideal state of layers
DE102005010338B4 (en) 2005-03-07 2007-01-25 Infineon Technologies Ag Force sensor arrangement with magnetostrictive magnetoresistive sensors and method for determining a force acting on the carrier of a force sensor arrangement
JP4668818B2 (en) 2006-03-13 2011-04-13 アルプス電気株式会社 Magnetic sensor
FR2937706B1 (en) 2008-10-29 2013-02-22 Saipem Sa COAXIAL PIPE ASSEMBLY COMPRISING A THERMAL INSULATION SLEEVE
FR2939178B1 (en) 2008-12-03 2013-05-03 Saipem Sa UNDERWATER CONDUIT OF JUNCTION COMPRISING THERMAL INSULATION.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995028649A1 (en) * 1994-04-15 1995-10-26 Philips Electronics N.V. A magnetic field sensor, an instrument comprising such a sensor and a method of manufacturing such a sensor
DE4427495A1 (en) * 1994-08-03 1996-02-08 Siemens Ag Sensor arrangement for magnetoresistive sensor element
EP0710850A2 (en) * 1994-11-04 1996-05-08 International Business Machines Corporation Magnetic field sensor and method for its manufacture
WO1996038739A1 (en) * 1995-06-01 1996-12-05 Siemens Aktiengesellschaft Magnetic field sensor with a bridge arrangement of magneto-resistive bridging elements
EP0863406A2 (en) * 1997-03-07 1998-09-09 Alps Electric Co., Ltd. Magnetoresistive sensor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648942B1 (en) * 1989-06-27 1995-08-11 Thomson Csf SENSOR WITH MAGNETORESISTIVE EFFECT
FR2693021B1 (en) * 1992-06-26 1994-08-26 Thomson Csf Magnetic field detector.
DE19507303A1 (en) * 1995-03-02 1996-09-05 Siemens Ag Sensor device with a bridge circuit of magnetoresistive sensor elements
US6124711A (en) * 1996-01-19 2000-09-26 Fujitsu Limited Magnetic sensor using tunnel resistance to detect an external magnetic field
US5862021A (en) * 1996-06-17 1999-01-19 Sharp Kabushiki Kaisha Magnetoresistive effect device utilizing an oxide layer adjacent one of the magnetic layers
DE19649265C2 (en) * 1996-11-28 2001-03-15 Inst Physikalische Hochtech Ev GMR sensor with a Wheatstone bridge
IT1303631B1 (en) * 1997-03-05 2001-01-23 Ciesse Sistemi Srl CONTAINER FOR LED LIGHT PANEL
JP3198265B2 (en) * 1997-04-10 2001-08-13 アルプス電気株式会社 Magnetoresistance effect element
JP3623366B2 (en) * 1998-07-17 2005-02-23 アルプス電気株式会社 Magnetic field sensor provided with giant magnetoresistive effect element, manufacturing method and manufacturing apparatus thereof
DE19924756A1 (en) * 1999-05-29 2000-11-30 Bosch Gmbh Robert Magnetoresistive element

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995028649A1 (en) * 1994-04-15 1995-10-26 Philips Electronics N.V. A magnetic field sensor, an instrument comprising such a sensor and a method of manufacturing such a sensor
DE4427495A1 (en) * 1994-08-03 1996-02-08 Siemens Ag Sensor arrangement for magnetoresistive sensor element
DE4434912A1 (en) * 1994-08-03 1996-04-18 Siemens Ag Sensor mfr. for large magnetoresistive effect sensor elements
EP0710850A2 (en) * 1994-11-04 1996-05-08 International Business Machines Corporation Magnetic field sensor and method for its manufacture
WO1996038739A1 (en) * 1995-06-01 1996-12-05 Siemens Aktiengesellschaft Magnetic field sensor with a bridge arrangement of magneto-resistive bridging elements
EP0863406A2 (en) * 1997-03-07 1998-09-09 Alps Electric Co., Ltd. Magnetoresistive sensor

Also Published As

Publication number Publication date
FR2800915A1 (en) 2001-05-11
GB2356059A8 (en) 2002-03-20
GB2356059A (en) 2001-05-09
GB0025192D0 (en) 2000-11-29
DE19949714A1 (en) 2001-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061013