ATE549635T1 - Magnetsensor mit brückenschaltung mit elementen mit magnetwiderstandseffekt - Google Patents

Magnetsensor mit brückenschaltung mit elementen mit magnetwiderstandseffekt

Info

Publication number
ATE549635T1
ATE549635T1 AT10170028T AT10170028T ATE549635T1 AT E549635 T1 ATE549635 T1 AT E549635T1 AT 10170028 T AT10170028 T AT 10170028T AT 10170028 T AT10170028 T AT 10170028T AT E549635 T1 ATE549635 T1 AT E549635T1
Authority
AT
Austria
Prior art keywords
bridge circuit
elements
magnetic
resistance effect
magnetic sensor
Prior art date
Application number
AT10170028T
Other languages
English (en)
Inventor
Shunji Saruki
Hiraku Hirabayashi
Original Assignee
Tdk Corp
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 Tdk Corp filed Critical Tdk Corp
Application granted granted Critical
Publication of ATE549635T1 publication Critical patent/ATE549635T1/de

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
    • G01R33/09—Magnetoresistive devices
    • G01R33/091—Constructional adaptation of the sensor to specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0029—Treating the measured signals, e.g. removing offset or noise

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
AT10170028T 2009-07-29 2010-07-19 Magnetsensor mit brückenschaltung mit elementen mit magnetwiderstandseffekt ATE549635T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009176448A JP2011027683A (ja) 2009-07-29 2009-07-29 磁気センサ

Publications (1)

Publication Number Publication Date
ATE549635T1 true ATE549635T1 (de) 2012-03-15

Family

ID=42836085

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10170028T ATE549635T1 (de) 2009-07-29 2010-07-19 Magnetsensor mit brückenschaltung mit elementen mit magnetwiderstandseffekt

Country Status (5)

Country Link
US (1) US8466676B2 (de)
EP (1) EP2284554B1 (de)
JP (1) JP2011027683A (de)
CN (1) CN101988956B (de)
AT (1) ATE549635T1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102790613B (zh) * 2011-05-16 2015-04-29 江苏多维科技有限公司 一种开关传感器
US9182459B2 (en) * 2011-09-08 2015-11-10 Honeywell International Inc. Wireless magnetic position sensor
JP5786884B2 (ja) 2012-04-23 2015-09-30 株式会社デンソー 磁気センサ
WO2014143388A1 (en) 2013-03-14 2014-09-18 Gyrus Acmi, Inc. (D.B.A Olympus Surgical Technologies America) Surgical positioning circuit
US9983274B2 (en) * 2014-01-23 2018-05-29 Mitsubishi Electric Corporation Magnetic detection device
EP3100065B1 (de) 2014-01-31 2018-12-26 University Of South Australia Sensor zur detektion von magnetischen partikeln
JP6316636B2 (ja) * 2014-03-31 2018-04-25 アズビル株式会社 角度センサの温度補償装置
JP6352195B2 (ja) * 2015-01-14 2018-07-04 Tdk株式会社 磁気センサ
US10359478B2 (en) 2015-05-15 2019-07-23 Panasonic Intellectual Property Management Co., Ltd. Magnetic sensor
CN106483479A (zh) * 2015-08-31 2017-03-08 张庆瑞 单电桥磁场传感器
CN107037380B (zh) * 2016-11-18 2019-03-19 清华大学 一种宽磁场范围测量方法及装置
JP6661215B2 (ja) * 2017-10-31 2020-03-11 Tdk株式会社 位置検出装置およびカメラモジュール
JP6870639B2 (ja) 2018-03-19 2021-05-12 Tdk株式会社 磁気検出装置
JP6610746B1 (ja) * 2018-10-24 2019-11-27 Tdk株式会社 磁気センサ
US11169228B2 (en) * 2019-08-27 2021-11-09 Western Digital Technologies, Inc. Magnetic sensor with serial resistor for asymmetric sensing field range
US11428758B2 (en) 2019-08-27 2022-08-30 Western Digital Technologies, Inc. High sensitivity TMR magnetic sensor
CN110824392B (zh) * 2019-10-23 2025-01-10 珠海多创科技有限公司 一种tmr全桥磁传感器及其制备方法
CN113532257B (zh) * 2020-04-16 2023-06-27 中国科学院苏州纳米技术与纳米仿生研究所 一种应变传感器及其制作方法
JP7115505B2 (ja) * 2020-04-20 2022-08-09 Tdk株式会社 磁気センサ、磁気式エンコーダおよびレンズ位置検出装置
JP7173104B2 (ja) * 2020-07-21 2022-11-16 Tdk株式会社 磁気センサ
JP7540234B2 (ja) * 2020-08-06 2024-08-27 株式会社レゾナック 磁気センサ回路および磁界検出装置
US11630168B2 (en) * 2021-02-03 2023-04-18 Allegro Microsystems, Llc Linear sensor with dual spin valve element having reference layers with magnetization directions different from an external magnetic field direction
JP7769964B2 (ja) * 2021-05-17 2025-11-14 パナソニックＩｐマネジメント株式会社 磁気センサ及び磁気検知システム
WO2023013256A1 (ja) * 2021-08-04 2023-02-09 株式会社村田製作所 磁気センサ、それを備える位置検出装置、および、磁気センサの製造方法
CN115754848B (zh) * 2022-11-17 2024-04-02 江苏多维科技有限公司 磁传感器

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63172918A (ja) 1987-01-13 1988-07-16 Hitachi Ltd 磁気式サインエンコ−ダのオフセツト電圧調整回路
US4847584A (en) * 1988-10-14 1989-07-11 Honeywell Inc. Magnetoresistive magnetic sensor
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
JPH09329461A (ja) * 1996-06-10 1997-12-22 Mitsubishi Electric Corp 検出装置
JPH09329462A (ja) * 1996-06-10 1997-12-22 Mitsubishi Electric Corp 検出装置
JP2001217478A (ja) * 2000-02-01 2001-08-10 Yamaha Corp 磁気抵抗素子
JP3260741B1 (ja) * 2000-08-04 2002-02-25 ティーディーケイ株式会社 磁気抵抗効果装置およびその製造方法ならびに薄膜磁気ヘッドおよびその製造方法
US7054114B2 (en) * 2002-11-15 2006-05-30 Nve Corporation Two-axis magnetic field sensor
US7339769B2 (en) * 2004-03-02 2008-03-04 Hitachi Global Storage Technologies Netherlands B.V. Magnetoresistive sensor with antiferromagnetic exchange-coupled structure having underlayer for enhancing chemical-ordering in the antiferromagnetic layer
JP4573736B2 (ja) * 2005-08-31 2010-11-04 三菱電機株式会社 磁界検出装置
JP4890891B2 (ja) * 2006-03-10 2012-03-07 山梨日本電気株式会社 磁気センサ、その製造方法および電子機器
JP4490950B2 (ja) 2006-07-07 2010-06-30 株式会社東芝 磁気抵抗効果素子の製造方法、及び磁気抵抗効果素子
JP4406633B2 (ja) * 2006-09-11 2010-02-03 アルプス電気株式会社 磁気検出装置
JP2008192632A (ja) 2007-01-31 2008-08-21 Fujitsu Ltd 磁性薄膜および磁気抵抗効果素子
EP2159588A4 (de) * 2007-06-19 2017-11-08 Alps Electric Co., Ltd. Magnetdetektor, verfahren zur herstellung eines magnetdetektors, winkeldetektor, positionsdetektor und magnetschalter mit dem magnetdetektor
JP2009115688A (ja) * 2007-11-08 2009-05-28 Tokai Rika Co Ltd 増幅回路
JP2009121858A (ja) 2007-11-13 2009-06-04 Tokai Rika Co Ltd 増幅回路

Also Published As

Publication number Publication date
CN101988956B (zh) 2013-10-30
JP2011027683A (ja) 2011-02-10
CN101988956A (zh) 2011-03-23
US8466676B2 (en) 2013-06-18
EP2284554B1 (de) 2012-03-14
US20110025318A1 (en) 2011-02-03
EP2284554A1 (de) 2011-02-16

Similar Documents

Publication Publication Date Title
DE502008002167D1 (de) Kalibrierbarer mehrdimensionaler magnetischer punktsensor
EP2587269A3 (de) Magnetoresistiver Stromsensor für Hochstrombereich
WO2013009461A3 (en) Absolute angular position sensor using two magnetoresistive sensors
JP5584918B2 (ja) 電流センサ
ATE552488T1 (de) Gmr-biosensor mit erhöhter empfindlichkeit
JP2012518788A5 (de)
ATE506705T1 (de) Magnetfeldsensor mit einem hallelement
JP2012203673A5 (de)
WO2009055285A3 (en) Absolute position magnetic encoder with binary and decimal output
JP2008182219A5 (de)
EP1720027A4 (de) Magnetfelddetektor und stromdetektionseinrichtung, positionsdetektionseinrichtung und rotationsdetektionseinrichtungen mit dem magnetfelddetektor
ATE527550T1 (de) Magnetsensorschaltung
EP2101184A4 (de) Magnetsensorschaltung
WO2006113459A3 (en) Current sensor
WO2008111336A1 (ja) 磁気カプラ素子および磁気結合型アイソレータ
FR2919068B1 (fr) Capteur de courant perfectionne
EP2610630A3 (de) Magnetfeldsensor mit geringer Hysterese und hoher Empfindlichkeit
WO2009038161A1 (ja) 原点検出装置
ATE448487T1 (de) Magnetfeldempfindliche sensoranordnung
WO2008040659A3 (de) Verfahren zum betreiben eines magnetfeldsensors und zugehöriger magnetfeldsensor
EP4182707A4 (de) Integrierter stromsensor mit magnetflusskonzentratoren
CN202351418U (zh) 基于磁阻效应和磁场叠加的微小磁场测量装置
DE502007006613D1 (de) E sensoren
EP2180329A3 (de) Magnetische Sensorvorrichtung
DE602004002209D1 (de) Messschaltungsanordnung mit erhöhter genauigkeit