DE102019126872A1 - Magnetsensorvorrichtung - Google Patents
Magnetsensorvorrichtung Download PDFInfo
- Publication number
- DE102019126872A1 DE102019126872A1 DE102019126872.9A DE102019126872A DE102019126872A1 DE 102019126872 A1 DE102019126872 A1 DE 102019126872A1 DE 102019126872 A DE102019126872 A DE 102019126872A DE 102019126872 A1 DE102019126872 A1 DE 102019126872A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic field
- component
- additional
- correction
- magnetic
- 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.)
- Pending
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 615
- 238000012937 correction Methods 0.000 claims abstract description 176
- 238000001514 detection method Methods 0.000 claims abstract description 169
- 230000008859 change Effects 0.000 claims description 103
- 238000012545 processing Methods 0.000 claims description 69
- 230000035945 sensitivity Effects 0.000 abstract description 48
- 238000005259 measurement Methods 0.000 abstract description 22
- 230000005415 magnetization Effects 0.000 description 49
- 239000011159 matrix material Substances 0.000 description 30
- 239000000758 substrate Substances 0.000 description 23
- 239000004020 conductor Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 16
- 230000010354 integration Effects 0.000 description 14
- 238000009413 insulation Methods 0.000 description 11
- 239000013598 vector Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
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- 230000004913 activation Effects 0.000 description 6
- 230000005290 antiferromagnetic effect Effects 0.000 description 5
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- 230000007423 decrease Effects 0.000 description 4
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- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 239000002885 antiferromagnetic material Substances 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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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
- G01R33/0017—Means for compensating offset magnetic fields or the magnetic flux to be measured; Means for generating calibration magnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0005—Geometrical arrangement of magnetic sensor elements; Apparatus combining different magnetic sensor types
-
- 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
-
- 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
- G01R33/0035—Calibration of single magnetic sensors, e.g. integrated calibration
-
- 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
- G01R33/0206—Three-component magnetometers
-
- 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
- G01R33/07—Hall effect devices
-
- 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
-
- 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)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018192240A JP6998285B2 (ja) | 2018-10-11 | 2018-10-11 | 磁気センサ装置 |
| JP2018192240 | 2018-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102019126872A1 true DE102019126872A1 (de) | 2020-04-16 |
Family
ID=69955836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102019126872.9A Pending DE102019126872A1 (de) | 2018-10-11 | 2019-10-07 | Magnetsensorvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10976383B2 (https=) |
| JP (1) | JP6998285B2 (https=) |
| CN (1) | CN111044942B (https=) |
| DE (1) | DE102019126872A1 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022124049A1 (de) | 2021-09-20 | 2023-03-23 | Tdk Corporation | Magnetsensor, signalverarbeitungsschaltung und magnetsensorvorrichtung |
| DE102021210552A1 (de) | 2021-09-22 | 2023-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Vorrichtung und verfahren zum kalibrieren eines magnetsensorsystems mittels einer inhomogenen magnetfeldquelle |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11550362B2 (en) | 2021-03-31 | 2023-01-10 | Microsoft Technology Licensing, Llc | Rotatably coupled touch screen displays |
| JP7332738B2 (ja) * | 2021-07-08 | 2023-08-23 | Tdk株式会社 | 磁気センサ装置および磁気センサシステム |
| US12188996B2 (en) * | 2021-09-21 | 2025-01-07 | Tdk Corporation | Magnetic sensor device |
| JP7830092B2 (ja) * | 2021-12-06 | 2026-03-16 | Tdk株式会社 | 磁気センサ、電気制御装置、補正方法及び磁気センサの製造方法 |
| JP7734098B2 (ja) * | 2022-02-17 | 2025-09-04 | Tdk株式会社 | 磁気センサ |
| JP2024010867A (ja) * | 2022-07-13 | 2024-01-25 | Tdk株式会社 | 磁気センサ装置および磁気式エンコーダ |
| JP7754339B2 (ja) * | 2022-09-30 | 2025-10-15 | 株式会社村田製作所 | センサ増幅回路、センサシステム、およびセンサ増幅回路の較正方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2772133B1 (fr) * | 1987-12-08 | 2000-04-07 | Crouzet Sa | Procede et dispositif de compensation des effets des perturbations magnetiques dues au porteur d'un magnetometre a champ total |
| JPH08179021A (ja) * | 1994-12-22 | 1996-07-12 | Ishikawa Seisakusho Ltd | ３軸磁力計の磁気測定値の補正方法 |
| CN103257325A (zh) * | 2007-03-23 | 2013-08-21 | 旭化成微电子株式会社 | 磁传感器及其灵敏度测量方法 |
| WO2009098816A1 (ja) * | 2008-02-05 | 2009-08-13 | Murata Manufacturing Co., Ltd. | 測定誤差の補正方法及び電子部品特性測定装置 |
| US8350594B2 (en) * | 2008-11-08 | 2013-01-08 | Massachusetts Institute Of Technology | Hardware synthesis from multicycle rules |
| ITMI20090972A1 (it) * | 2009-06-03 | 2010-12-04 | Consiglio Naz Delle Ricerche Infm Istituto | Dispositivo sensore magnetico triassiale integrato. |
| DE102010029668A1 (de) * | 2010-06-02 | 2011-12-08 | Robert Bosch Gmbh | Kalibrierung eines dreiachsigen Magnetfeldsensors |
| JP5177197B2 (ja) * | 2010-10-13 | 2013-04-03 | Ｔｄｋ株式会社 | 回転磁界センサ |
| US9534924B2 (en) * | 2011-11-11 | 2017-01-03 | Qualcomm Incorporated | Sensor auto-calibration |
| CN102853760B (zh) * | 2012-09-13 | 2015-06-17 | 哈尔滨工业大学 | 一种三轴磁传感器磁轴垂直度的标定方法 |
| JP2015075465A (ja) | 2013-10-11 | 2015-04-20 | 旭化成エレクトロニクス株式会社 | ３次元磁界測定装置及び３次元磁界測定方法 |
| US9720051B2 (en) * | 2014-05-29 | 2017-08-01 | Nxp Usa, Inc. | Sensor package including a magnetic field sensor and a continuous coil structure for enabling z-axis self-test capability |
| JP2016017830A (ja) * | 2014-07-08 | 2016-02-01 | 旭化成エレクトロニクス株式会社 | 磁気センサ |
| US20170090003A1 (en) * | 2015-09-30 | 2017-03-30 | Apple Inc. | Efficient testing of magnetometer sensor assemblies |
| US10845432B2 (en) * | 2016-06-30 | 2020-11-24 | The Charles Stark Draper Laboratory, Inc. | Calibration and monitoring for 3-axis magnetometer arrays of arbitrary geometry |
| JP6288482B1 (ja) * | 2016-09-28 | 2018-03-07 | Tdk株式会社 | 角度センサおよび角度センサシステム |
-
2018
- 2018-10-11 JP JP2018192240A patent/JP6998285B2/ja active Active
-
2019
- 2019-09-30 US US16/587,299 patent/US10976383B2/en active Active
- 2019-10-07 DE DE102019126872.9A patent/DE102019126872A1/de active Pending
- 2019-10-11 CN CN201910962464.3A patent/CN111044942B/zh active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022124049A1 (de) | 2021-09-20 | 2023-03-23 | Tdk Corporation | Magnetsensor, signalverarbeitungsschaltung und magnetsensorvorrichtung |
| DE102021210552A1 (de) | 2021-09-22 | 2023-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Vorrichtung und verfahren zum kalibrieren eines magnetsensorsystems mittels einer inhomogenen magnetfeldquelle |
| DE102021210552B4 (de) | 2021-09-22 | 2023-05-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Vorrichtung und verfahren zum kalibrieren eines magnetsensorsystems mittels einer inhomogenen magnetfeldquelle |
| US12332324B2 (en) | 2021-09-22 | 2025-06-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for calibrating a magnetic sensor system using an inhomogeneous magnetic field source |
Also Published As
| Publication number | Publication date |
|---|---|
| US20200116801A1 (en) | 2020-04-16 |
| US10976383B2 (en) | 2021-04-13 |
| JP6998285B2 (ja) | 2022-02-10 |
| CN111044942B (zh) | 2022-08-05 |
| CN111044942A (zh) | 2020-04-21 |
| JP2020060457A (ja) | 2020-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed |