JP7426956B2 - 磁気センサ及び検査装置 - Google Patents

磁気センサ及び検査装置 Download PDF

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Publication number
JP7426956B2
JP7426956B2 JP2021003268A JP2021003268A JP7426956B2 JP 7426956 B2 JP7426956 B2 JP 7426956B2 JP 2021003268 A JP2021003268 A JP 2021003268A JP 2021003268 A JP2021003268 A JP 2021003268A JP 7426956 B2 JP7426956 B2 JP 7426956B2
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current
magnetic
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JP2021003268A
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English (en)
Japanese (ja)
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JP2022108344A5 (https=
JP2022108344A (ja
Inventor
仁志 岩崎
聡志 白鳥
哲 喜々津
祥弘 東
健一郎 山田
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Toshiba Corp
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Toshiba Corp
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Priority to JP2021003268A priority Critical patent/JP7426956B2/ja
Priority to US17/400,860 priority patent/US11513174B2/en
Publication of JP2022108344A publication Critical patent/JP2022108344A/ja
Publication of JP2022108344A5 publication Critical patent/JP2022108344A5/ja
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    • 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
    • G01R33/0094—Sensor arrays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A61B5/243—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetocardiographic [MCG] signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A61B5/245—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetoencephalographic [MEG] signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7225—Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0223—Magnetic field sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
    • G01R15/148—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop involving the measuring of a magnetic field or electric field

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Cardiology (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Hall/Mr Elements (AREA)
JP2021003268A 2021-01-13 2021-01-13 磁気センサ及び検査装置 Active JP7426956B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021003268A JP7426956B2 (ja) 2021-01-13 2021-01-13 磁気センサ及び検査装置
US17/400,860 US11513174B2 (en) 2021-01-13 2021-08-12 Magnetic sensor and inspection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021003268A JP7426956B2 (ja) 2021-01-13 2021-01-13 磁気センサ及び検査装置

Publications (3)

Publication Number Publication Date
JP2022108344A JP2022108344A (ja) 2022-07-26
JP2022108344A5 JP2022108344A5 (https=) 2023-05-01
JP7426956B2 true JP7426956B2 (ja) 2024-02-02

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US (1) US11513174B2 (https=)
JP (1) JP7426956B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7783148B2 (ja) * 2022-09-01 2025-12-09 株式会社東芝 センサ及び検査装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003028941A (ja) 2001-07-17 2003-01-29 Hitachi Metals Ltd 磁気測定方法と磁気センサ駆動回路
JP2009250931A (ja) 2008-04-10 2009-10-29 Rohm Co Ltd 磁気センサおよびその動作方法、および磁気センサシステム
JP2018155719A (ja) 2017-03-21 2018-10-04 株式会社東芝 磁気センサ、生体細胞検出装置及び診断装置
JP7284739B2 (ja) 2020-09-14 2023-05-31 株式会社東芝 磁気センサ及び検査装置
JP7316719B2 (ja) 2020-08-25 2023-07-28 株式会社東芝 磁気センサ及び検査装置
JP7319683B2 (ja) 2020-09-01 2023-08-02 株式会社東芝 磁気センサ及び診断装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003028941A (ja) 2001-07-17 2003-01-29 Hitachi Metals Ltd 磁気測定方法と磁気センサ駆動回路
JP2009250931A (ja) 2008-04-10 2009-10-29 Rohm Co Ltd 磁気センサおよびその動作方法、および磁気センサシステム
JP2018155719A (ja) 2017-03-21 2018-10-04 株式会社東芝 磁気センサ、生体細胞検出装置及び診断装置
JP7316719B2 (ja) 2020-08-25 2023-07-28 株式会社東芝 磁気センサ及び検査装置
JP7319683B2 (ja) 2020-09-01 2023-08-02 株式会社東芝 磁気センサ及び診断装置
JP7284739B2 (ja) 2020-09-14 2023-05-31 株式会社東芝 磁気センサ及び検査装置

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US20220221535A1 (en) 2022-07-14
US11513174B2 (en) 2022-11-29
JP2022108344A (ja) 2022-07-26

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