JP2013055281A - 電流センサ - Google Patents

電流センサ Download PDF

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Publication number
JP2013055281A
JP2013055281A JP2011193709A JP2011193709A JP2013055281A JP 2013055281 A JP2013055281 A JP 2013055281A JP 2011193709 A JP2011193709 A JP 2011193709A JP 2011193709 A JP2011193709 A JP 2011193709A JP 2013055281 A JP2013055281 A JP 2013055281A
Authority
JP
Japan
Prior art keywords
magnetic
layer
current sensor
permanent magnet
magnetic field
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.)
Withdrawn
Application number
JP2011193709A
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English (en)
Japanese (ja)
Other versions
JP2013055281A5 (enExample
Inventor
Yosuke Ide
洋介 井出
Yoshihiro Nishiyama
義弘 西山
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.)
Alps Green Devices Co Ltd
Original Assignee
Alps Green Devices Co Ltd
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 Alps Green Devices Co Ltd filed Critical Alps Green Devices Co Ltd
Priority to JP2011193709A priority Critical patent/JP2013055281A/ja
Priority to US13/587,786 priority patent/US20130057274A1/en
Publication of JP2013055281A publication Critical patent/JP2013055281A/ja
Publication of JP2013055281A5 publication Critical patent/JP2013055281A5/ja
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09Magnetoresistive devices
    • G01R33/093Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/205Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP2011193709A 2011-09-06 2011-09-06 電流センサ Withdrawn JP2013055281A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011193709A JP2013055281A (ja) 2011-09-06 2011-09-06 電流センサ
US13/587,786 US20130057274A1 (en) 2011-09-06 2012-08-16 Current sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011193709A JP2013055281A (ja) 2011-09-06 2011-09-06 電流センサ

Publications (2)

Publication Number Publication Date
JP2013055281A true JP2013055281A (ja) 2013-03-21
JP2013055281A5 JP2013055281A5 (enExample) 2014-02-13

Family

ID=47752659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011193709A Withdrawn JP2013055281A (ja) 2011-09-06 2011-09-06 電流センサ

Country Status (2)

Country Link
US (1) US20130057274A1 (enExample)
JP (1) JP2013055281A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021221096A1 (ja) * 2020-05-01 2021-11-04 田中貴金属工業株式会社 面内磁化膜、面内磁化膜多層構造、ハードバイアス層、磁気抵抗効果素子、およびスパッタリングターゲット
US11810700B2 (en) 2018-10-30 2023-11-07 Tanaka Kikinzoku Kogyo K.K. In-plane magnetized film, in-plane magnetized film multilayer structure, hard bias layer, magnetoresistive element, and sputtering target

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6199730B2 (ja) * 2013-12-25 2017-09-20 株式会社東芝 電流センサ及び電流センサモジュール
JP2015125019A (ja) * 2013-12-25 2015-07-06 株式会社東芝 電流センサ、電流測定モジュール及びスマートメータ
JP6724459B2 (ja) * 2016-03-23 2020-07-15 Tdk株式会社 磁気センサ
JP6390728B2 (ja) * 2017-02-22 2018-09-19 Tdk株式会社 磁気センサとその製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009084435A1 (ja) * 2007-12-28 2009-07-09 Alps Electric Co., Ltd. 磁気センサ及び磁気センサモジュール
WO2009084433A1 (ja) * 2007-12-28 2009-07-09 Alps Electric Co., Ltd. 磁気センサ及び磁気センサモジュール
WO2009151024A1 (ja) * 2008-06-11 2009-12-17 アルプス電気株式会社 磁気センサ及び磁気センサモジュール
WO2010010872A1 (ja) * 2008-07-22 2010-01-28 アルプス電気株式会社 磁気センサ及び磁気センサモジュール
JP2011007673A (ja) * 2009-06-26 2011-01-13 Alps Electric Co Ltd 地磁気センサ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7259545B2 (en) * 2003-02-11 2007-08-21 Allegro Microsystems, Inc. Integrated sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009084435A1 (ja) * 2007-12-28 2009-07-09 Alps Electric Co., Ltd. 磁気センサ及び磁気センサモジュール
WO2009084433A1 (ja) * 2007-12-28 2009-07-09 Alps Electric Co., Ltd. 磁気センサ及び磁気センサモジュール
WO2009151024A1 (ja) * 2008-06-11 2009-12-17 アルプス電気株式会社 磁気センサ及び磁気センサモジュール
WO2010010872A1 (ja) * 2008-07-22 2010-01-28 アルプス電気株式会社 磁気センサ及び磁気センサモジュール
JP2011007673A (ja) * 2009-06-26 2011-01-13 Alps Electric Co Ltd 地磁気センサ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11810700B2 (en) 2018-10-30 2023-11-07 Tanaka Kikinzoku Kogyo K.K. In-plane magnetized film, in-plane magnetized film multilayer structure, hard bias layer, magnetoresistive element, and sputtering target
WO2021221096A1 (ja) * 2020-05-01 2021-11-04 田中貴金属工業株式会社 面内磁化膜、面内磁化膜多層構造、ハードバイアス層、磁気抵抗効果素子、およびスパッタリングターゲット
JP7529433B2 (ja) 2020-05-01 2024-08-06 田中貴金属工業株式会社 面内磁化膜、面内磁化膜多層構造、ハードバイアス層、磁気抵抗効果素子、およびスパッタリングターゲット

Also Published As

Publication number Publication date
US20130057274A1 (en) 2013-03-07

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