JP2009002911A5 - - Google Patents

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Publication number
JP2009002911A5
JP2009002911A5 JP2007166576A JP2007166576A JP2009002911A5 JP 2009002911 A5 JP2009002911 A5 JP 2009002911A5 JP 2007166576 A JP2007166576 A JP 2007166576A JP 2007166576 A JP2007166576 A JP 2007166576A JP 2009002911 A5 JP2009002911 A5 JP 2009002911A5
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JP
Japan
Prior art keywords
magnetic field
magnetoresistive
current sensor
elements
sensor according
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Application number
JP2007166576A
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English (en)
Japanese (ja)
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JP4877095B2 (ja
JP2009002911A (ja
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Priority to JP2007166576A priority Critical patent/JP4877095B2/ja
Priority claimed from JP2007166576A external-priority patent/JP4877095B2/ja
Priority to US12/213,352 priority patent/US7646196B2/en
Publication of JP2009002911A publication Critical patent/JP2009002911A/ja
Publication of JP2009002911A5 publication Critical patent/JP2009002911A5/ja
Application granted granted Critical
Publication of JP4877095B2 publication Critical patent/JP4877095B2/ja
Active legal-status Critical Current
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JP2007166576A 2007-06-25 2007-06-25 電流センサおよびその製造方法 Active JP4877095B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007166576A JP4877095B2 (ja) 2007-06-25 2007-06-25 電流センサおよびその製造方法
US12/213,352 US7646196B2 (en) 2007-06-25 2008-06-18 Current sensor and method of manufacturing current sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007166576A JP4877095B2 (ja) 2007-06-25 2007-06-25 電流センサおよびその製造方法

Publications (3)

Publication Number Publication Date
JP2009002911A JP2009002911A (ja) 2009-01-08
JP2009002911A5 true JP2009002911A5 (https=) 2010-03-11
JP4877095B2 JP4877095B2 (ja) 2012-02-15

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Family Applications (1)

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JP2007166576A Active JP4877095B2 (ja) 2007-06-25 2007-06-25 電流センサおよびその製造方法

Country Status (2)

Country Link
US (1) US7646196B2 (https=)
JP (1) JP4877095B2 (https=)

Families Citing this family (43)

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JP4361077B2 (ja) * 2006-10-31 2009-11-11 Ｔｄｋ株式会社 磁気センサおよびその製造方法
FR2941534B1 (fr) * 2009-01-26 2011-12-23 Commissariat Energie Atomique Capteur de champ magnetique a jauge de contrainte suspendue
WO2010143718A1 (ja) * 2009-06-12 2010-12-16 アルプス・グリーンデバイス株式会社 磁気平衡式電流センサ
EP2442117B1 (en) * 2009-06-12 2021-11-17 Alps Alpine Co., Ltd. Magnetic balance current sensor
JP5248421B2 (ja) 2009-06-22 2013-07-31 ブラザー工業株式会社 液体吐出装置
WO2011013412A1 (ja) 2009-07-27 2011-02-03 富士電機ホールディングス株式会社 非接触電流センサ
US9086444B2 (en) * 2009-12-28 2015-07-21 Tdk Corporation Magnetic field detection device and current sensor
JP5012939B2 (ja) * 2010-03-18 2012-08-29 Ｔｄｋ株式会社 電流センサ
US8975889B2 (en) * 2011-01-24 2015-03-10 Infineon Technologies Ag Current difference sensors, systems and methods
FR2979790B1 (fr) * 2011-09-07 2013-10-11 Commissariat Energie Atomique Capteur de courant
WO2013129276A1 (ja) * 2012-03-02 2013-09-06 Tdk株式会社 磁気センサ素子
US9817078B2 (en) 2012-05-10 2017-11-14 Allegro Microsystems Llc Methods and apparatus for magnetic sensor having integrated coil
US9372242B2 (en) * 2012-05-11 2016-06-21 Memsic, Inc. Magnetometer with angled set/reset coil
US10145908B2 (en) 2013-07-19 2018-12-04 Allegro Microsystems, Llc Method and apparatus for magnetic sensor producing a changing magnetic field
US10495699B2 (en) 2013-07-19 2019-12-03 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target
US9529060B2 (en) 2014-01-09 2016-12-27 Allegro Microsystems, Llc Magnetoresistance element with improved response to magnetic fields
US9823092B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
JP6763887B2 (ja) 2015-06-05 2020-09-30 アレグロ・マイクロシステムズ・エルエルシー 磁界に対する応答が改善されたスピンバルブ磁気抵抗効果素子
US10012518B2 (en) 2016-06-08 2018-07-03 Allegro Microsystems, Llc Magnetic field sensor for sensing a proximity of an object
KR101891414B1 (ko) * 2016-12-23 2018-08-23 전자부품연구원 센서의 외란 및 옵셋을 동시 보정할 수 있는 측정 방법 및 장치
US10620279B2 (en) 2017-05-19 2020-04-14 Allegro Microsystems, Llc Magnetoresistance element with increased operational range
US11022661B2 (en) 2017-05-19 2021-06-01 Allegro Microsystems, Llc Magnetoresistance element with increased operational range
US10996289B2 (en) 2017-05-26 2021-05-04 Allegro Microsystems, Llc Coil actuated position sensor with reflected magnetic field
US10837943B2 (en) 2017-05-26 2020-11-17 Allegro Microsystems, Llc Magnetic field sensor with error calculation
US11428755B2 (en) 2017-05-26 2022-08-30 Allegro Microsystems, Llc Coil actuated sensor with sensitivity detection
JP6471779B2 (ja) * 2017-07-24 2019-02-20 Tdk株式会社 送受信装置
JP7020176B2 (ja) * 2018-02-27 2022-02-16 Tdk株式会社 磁気センサ
JP6597820B2 (ja) * 2018-03-12 2019-10-30 Ｔｄｋ株式会社 磁気センサおよび位置検出装置
US10823586B2 (en) 2018-12-26 2020-11-03 Allegro Microsystems, Llc Magnetic field sensor having unequally spaced magnetic field sensing elements
US11237020B2 (en) 2019-11-14 2022-02-01 Allegro Microsystems, Llc Magnetic field sensor having two rows of magnetic field sensing elements for measuring an angle of rotation of a magnet
US11280637B2 (en) 2019-11-14 2022-03-22 Allegro Microsystems, Llc High performance magnetic angle sensor
US11372029B2 (en) * 2019-12-11 2022-06-28 Tdk Corporation Magnetic field detection apparatus and current detection apparatus
US11262422B2 (en) 2020-05-08 2022-03-01 Allegro Microsystems, Llc Stray-field-immune coil-activated position sensor
US11493361B2 (en) 2021-02-26 2022-11-08 Allegro Microsystems, Llc Stray field immune coil-activated sensor
US20240369600A1 (en) * 2021-08-20 2024-11-07 Suzhou Littelfuse Ovs Co., Ltd. Battery system and hybrid current sensor therefor
US11578997B1 (en) 2021-08-24 2023-02-14 Allegro Microsystems, Llc Angle sensor using eddy currents
KR20230079985A (ko) * 2021-11-29 2023-06-07 한국전자기술연구원 자기 결합형 자가 진단 장치
US11719771B1 (en) 2022-06-02 2023-08-08 Allegro Microsystems, Llc Magnetoresistive sensor having seed layer hysteresis suppression
US12320870B2 (en) 2022-07-19 2025-06-03 Allegro Microsystems, Llc Controlling out-of-plane anisotropy in an MR sensor with free layer dusting
US12359904B2 (en) 2023-01-26 2025-07-15 Allegro Microsystems, Llc Method of manufacturing angle sensors including magnetoresistance elements including different types of antiferromagnetic materials
US12352832B2 (en) 2023-01-30 2025-07-08 Allegro Microsystems, Llc Reducing angle error in angle sensor due to orthogonality drift over magnetic-field
US12523717B2 (en) 2024-02-15 2026-01-13 Allegro Microsystems, Llc Closed loop magnetic field sensor with current control
CN119626738A (zh) * 2024-11-14 2025-03-14 西安交通大学 贴片阻尼电阻式宽频自积分罗氏线圈电流互感器及方法

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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
US6064552A (en) * 1997-03-18 2000-05-16 Kabushiki Kaisha Toshiba Magnetoresistive head having magnetic yoke and giant magnetoresistive element such that a first electrode is formed on the giant magnetoresistive element which in turn is formed on the magnetic yoke which acts as a second electrode
JP4028971B2 (ja) * 2001-08-28 2008-01-09 アルプス電気株式会社 磁気センサの組立方法
JP4433820B2 (ja) * 2004-02-20 2010-03-17 Ｔｄｋ株式会社 磁気検出素子およびその形成方法ならびに磁気センサ、電流計
JP4360998B2 (ja) * 2004-10-01 2009-11-11 Ｔｄｋ株式会社 電流センサ
JP4298691B2 (ja) * 2005-09-30 2009-07-22 Ｔｄｋ株式会社 電流センサおよびその製造方法
JP4361077B2 (ja) * 2006-10-31 2009-11-11 Ｔｄｋ株式会社 磁気センサおよびその製造方法

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