JPWO2024034168A1 - - Google Patents

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Publication number
JPWO2024034168A1
JPWO2024034168A1 JP2024540249A JP2024540249A JPWO2024034168A1 JP WO2024034168 A1 JPWO2024034168 A1 JP WO2024034168A1 JP 2024540249 A JP2024540249 A JP 2024540249A JP 2024540249 A JP2024540249 A JP 2024540249A JP WO2024034168 A1 JPWO2024034168 A1 JP WO2024034168A1
Authority
JP
Japan
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.)
Granted
Application number
JP2024540249A
Other languages
Japanese (ja)
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JP7766810B2 (ja
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.)
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Publication date
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Publication of JPWO2024034168A1 publication Critical patent/JPWO2024034168A1/ja
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Publication of JP7766810B2 publication Critical patent/JP7766810B2/ja
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Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0011—Arrangements or instruments for measuring magnetic variables comprising means, e.g. flux concentrators, flux guides, for guiding or concentrating the magnetic flux, e.g. to the magnetic sensor
    • 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
    • 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
    • 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
    • G01R33/098—Magnetoresistive devices comprising tunnel junctions, e.g. tunnel magnetoresistance sensors

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
JP2024540249A 2022-08-12 2023-03-03 磁気センサ Active JP7766810B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022128866 2022-08-12
JP2022128866 2022-08-12
PCT/JP2023/008061 WO2024034168A1 (ja) 2022-08-12 2023-03-03 磁気センサ

Publications (2)

Publication Number Publication Date
JPWO2024034168A1 true JPWO2024034168A1 (https=) 2024-02-15
JP7766810B2 JP7766810B2 (ja) 2025-11-10

Family

ID=89851443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024540249A Active JP7766810B2 (ja) 2022-08-12 2023-03-03 磁気センサ

Country Status (5)

Country Link
US (1) US20250172640A1 (https=)
JP (1) JP7766810B2 (https=)
CN (1) CN119404110A (https=)
DE (1) DE112023003456T5 (https=)
WO (1) WO2024034168A1 (https=)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244374U (https=) * 1975-09-25 1977-03-29
JPH08233865A (ja) * 1995-02-28 1996-09-13 Victor Co Of Japan Ltd 電流検知ユニット
JP2002250759A (ja) * 2001-02-26 2002-09-06 Systec:Kk 磁気センサのバイアス構造
JP2007064813A (ja) * 2005-08-31 2007-03-15 Mitsubishi Electric Corp 磁界検出装置およびそれを調整する方法
JP2008020402A (ja) * 2006-07-14 2008-01-31 Asahi Kasei Electronics Co Ltd 電流検出機構
US20110215800A1 (en) * 2010-03-05 2011-09-08 Headway Technologies, Inc. MR sensor with flux guide enhanced hard bias structure
JP2012132889A (ja) * 2010-12-21 2012-07-12 Kohshin Electric Corp 磁気検出装置および電流検出装置
JP2015179042A (ja) * 2014-03-19 2015-10-08 株式会社デンソー 電流センサ
JP2016223825A (ja) * 2015-05-28 2016-12-28 アルプス電気株式会社 磁界検出装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244374U (https=) * 1975-09-25 1977-03-29
JPH08233865A (ja) * 1995-02-28 1996-09-13 Victor Co Of Japan Ltd 電流検知ユニット
JP2002250759A (ja) * 2001-02-26 2002-09-06 Systec:Kk 磁気センサのバイアス構造
JP2007064813A (ja) * 2005-08-31 2007-03-15 Mitsubishi Electric Corp 磁界検出装置およびそれを調整する方法
JP2008020402A (ja) * 2006-07-14 2008-01-31 Asahi Kasei Electronics Co Ltd 電流検出機構
US20110215800A1 (en) * 2010-03-05 2011-09-08 Headway Technologies, Inc. MR sensor with flux guide enhanced hard bias structure
JP2012132889A (ja) * 2010-12-21 2012-07-12 Kohshin Electric Corp 磁気検出装置および電流検出装置
JP2015179042A (ja) * 2014-03-19 2015-10-08 株式会社デンソー 電流センサ
JP2016223825A (ja) * 2015-05-28 2016-12-28 アルプス電気株式会社 磁界検出装置

Also Published As

Publication number Publication date
CN119404110A (zh) 2025-02-07
WO2024034168A1 (ja) 2024-02-15
US20250172640A1 (en) 2025-05-29
JP7766810B2 (ja) 2025-11-10
DE112023003456T5 (de) 2025-05-28

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