JP5362115B2 - 磁界センサ - Google Patents
磁界センサ Download PDFInfo
- Publication number
- JP5362115B2 JP5362115B2 JP2012525964A JP2012525964A JP5362115B2 JP 5362115 B2 JP5362115 B2 JP 5362115B2 JP 2012525964 A JP2012525964 A JP 2012525964A JP 2012525964 A JP2012525964 A JP 2012525964A JP 5362115 B2 JP5362115 B2 JP 5362115B2
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- Prior art keywords
- magnetic field
- sensor
- conductive path
- field sensor
- inspection
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- 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.)
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- 238000007689 inspection Methods 0.000 claims description 46
- 239000002184 metal Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005355 Hall effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G01R33/0017—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
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/028—Electrodynamic magnetometers
- G01R33/0286—Electrodynamic magnetometers comprising microelectromechanical systems [MEMS]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Hall/Mr Elements (AREA)
Description
先行技術においては、電流と磁界の相互作用を力に変換する様々なマイクロメカニカル磁界センサが公知である。例えばDE 198 27 056には、ローレンツ力に起因するセンサ構造の運動を櫛形電極を介して容量的に検出するマイクロ磁界センサが開示されている。このマイクロ磁界センサでは、ローレンツ力は(空中に浮いた)電線に印加された電流および隣接する外部の磁界によって空中に浮いた構造を横方向に動かすという形で利用される。
センサ位置における磁界を測定する本発明による磁界センサは以下の構成要素を有している。
絶縁材料でできたプリント基板;
プリント基板上に配置されており、かつ電気接点を介して導体板上に設けられた第1導電路に接続されている、特にミクロシステムとして形成された磁界センサ素子;
プリント基板上またはプリント基板内に設けられた、検査磁界を発生させるための少なくとも1つの第2導電路。この第2導電路は、較正電流が印加されると、センサ位置に所定の検査磁界を発生させる。
図1には、本発明の第1の実施例による磁界センサ10の透視図が示されている。磁界センサ10は、プリント基板2に取り付けられた、例えば接着されたセンサ素子1を含んでいる。
例えば、ホールセンサの代わりに、フラックスゲートセンサまたはローレンツ力に起因するセンサ構造の運動を櫛形電極を介して容量的に検出するセンサを有するセンサ素子を使用することも可能である。
Claims (4)
- センサ位置における磁界を測定する磁界センサ(10、30)であって、
該磁界センサ(10、30)は、
電気絶縁材料でできたプリント基板(2)と、
電気接点(3、5)を介して前記プリント基板(2)上に設けられた第1導電路(6)に接続されている、前記プリント基板(2)上に配置された磁界センサ素子(1)と、
前記プリント基板(2)上に設けられた、検査磁界(H)を発生させるための少なくとも1つの第2導電路(8、9)とを有しており、
当該第2導電路は、較正電流(I)が印加されると、センサ位置に所定の検査磁界(H)を発生させ、
前記磁界センサ素子(1)の対向する2つの面にそれぞれ前記プリント基板(2)上の1つの第2導電路(9)が配置されており、前記2つの第2導電路(9)は互いに平行に配置されている、磁界センサ(10、30)において、
前記磁界センサ素子(1)の、前記2つの平行な導電路(9)が配置されている面の1つの側辺に沿った方向における、前記2つの平行な導電路(9)の広がりが、前記磁界センサ素子(1)の前記側辺に対して垂直な側辺の方向における広がりの少なくとも5倍大きく、
検査磁界(H)を発生させるためのそれぞれ2つの平行な導電路(9)から成る2つの導電路対が設けられており、当該2つの導電路対は上から見て互いに直角を成して配置されているが、電気的には互いに絶縁されている
ことを特徴とする磁界センサ(10、30)。 - 前記2つの導電路(9)対は前記プリント基板(2)の異なる金属面に配置されている、請求項1記載の磁界センサ(10、30)。
- 前記磁界センサ素子(1)はミクロシステムとして形成されている、請求項1または2記載の磁界センサ(10、30)。
- 請求項1から3のいずれか1項記載の磁界センサ(10、30)と検査器(20、20’)との組合せであって、前記検査器(20、20’)が前記磁界センサ(10、30)と結合しており、所定の較正電流(I)を少なくとも1つの第2導電路(8、9)に印加するように構成されていることを特徴とする、請求項1から3のいずれか1項記載の磁界センサ(10、30)と検査器(20、20’)との組合せ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009028956A DE102009028956A1 (de) | 2009-08-28 | 2009-08-28 | Magnetfeldsensor |
DE102009028956.9 | 2009-08-28 | ||
PCT/EP2010/061277 WO2011023495A1 (de) | 2009-08-28 | 2010-08-03 | Magnetfeldsensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013503328A JP2013503328A (ja) | 2013-01-31 |
JP5362115B2 true JP5362115B2 (ja) | 2013-12-11 |
Family
ID=42733756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012525964A Expired - Fee Related JP5362115B2 (ja) | 2009-08-28 | 2010-08-03 | 磁界センサ |
Country Status (8)
Country | Link |
---|---|
US (1) | US9354281B2 (ja) |
EP (1) | EP2470920B1 (ja) |
JP (1) | JP5362115B2 (ja) |
KR (1) | KR101682264B1 (ja) |
CN (1) | CN102483443B (ja) |
DE (1) | DE102009028956A1 (ja) |
TW (1) | TWI518348B (ja) |
WO (1) | WO2011023495A1 (ja) |
Families Citing this family (31)
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JP6121657B2 (ja) * | 2012-06-21 | 2017-04-26 | 旭化成エレクトロニクス株式会社 | 差動磁場印加装置及び差動磁場印加方法 |
DE102012012759A1 (de) * | 2012-06-27 | 2014-01-02 | Sensitec Gmbh | Anordnung zur Strommessung |
TWI467204B (zh) * | 2012-10-19 | 2015-01-01 | Voltafield Technology Corp | 磁阻感測裝置 |
TWI449939B (zh) * | 2012-12-11 | 2014-08-21 | Inst Information Industry | 利用電磁鐵陣列以決定一電子裝置對應一物件之3d位置的方法及系統 |
DE102013217892A1 (de) * | 2012-12-20 | 2014-06-26 | Continental Teves Ag & Co. Ohg | Elektronische Vorrichtung und Verfahren zur Herstellung einer elektronischen Vorrichtung |
US10725100B2 (en) * | 2013-03-15 | 2020-07-28 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having an externally accessible coil |
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 |
US10145908B2 (en) | 2013-07-19 | 2018-12-04 | Allegro Microsystems, Llc | Method and apparatus for magnetic sensor producing a changing magnetic field |
KR102165359B1 (ko) * | 2014-04-28 | 2020-10-14 | 타이코에이엠피 주식회사 | 하이브리드 전류 센서 어셈블리 |
US9823092B2 (en) | 2014-10-31 | 2017-11-21 | Allegro Microsystems, Llc | Magnetic field sensor providing a movement detector |
US11402440B2 (en) * | 2015-07-17 | 2022-08-02 | Allegro Microsystems, Llc | Methods and apparatus for trimming a magnetic field sensor |
DE102015216262B4 (de) * | 2015-08-26 | 2019-03-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Anordnung zur Bestimmung der Querempfindlichkeit von Magnetfeldsensoren |
US10162016B2 (en) * | 2016-03-08 | 2018-12-25 | Texas Instruments Incorporated | Reduction of magnetic sensor component variation due to magnetic materials through the application of magnetic field |
CN205581283U (zh) * | 2016-04-11 | 2016-09-14 | 江苏多维科技有限公司 | 一种具有初始化线圈封装的磁电阻传感器 |
US10012518B2 (en) | 2016-06-08 | 2018-07-03 | Allegro Microsystems, Llc | Magnetic field sensor for sensing a proximity of an object |
US11428755B2 (en) | 2017-05-26 | 2022-08-30 | Allegro Microsystems, Llc | Coil actuated sensor with sensitivity detection |
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 |
DE102018111011A1 (de) | 2018-05-08 | 2019-11-14 | Infineon Technologies Ag | Magnetfeldsensorvorrichtung |
US10823586B2 (en) | 2018-12-26 | 2020-11-03 | Allegro Microsystems, Llc | Magnetic field sensor having unequally spaced magnetic field sensing elements |
US11243275B2 (en) * | 2019-03-18 | 2022-02-08 | Isentek Inc. | Magnetic field sensing device |
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 |
CN111351975A (zh) * | 2020-04-30 | 2020-06-30 | 赛卓电子科技(上海)有限公司 | 闭环电流传感器 |
CN111351976A (zh) * | 2020-04-30 | 2020-06-30 | 赛卓电子科技(上海)有限公司 | 开环电流传感器 |
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 |
US11578997B1 (en) | 2021-08-24 | 2023-02-14 | Allegro Microsystems, Llc | Angle sensor using eddy currents |
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-
2009
- 2009-08-28 DE DE102009028956A patent/DE102009028956A1/de not_active Withdrawn
-
2010
- 2010-08-03 KR KR1020127005040A patent/KR101682264B1/ko active IP Right Grant
- 2010-08-03 EP EP10737922.4A patent/EP2470920B1/de not_active Not-in-force
- 2010-08-03 WO PCT/EP2010/061277 patent/WO2011023495A1/de active Application Filing
- 2010-08-03 JP JP2012525964A patent/JP5362115B2/ja not_active Expired - Fee Related
- 2010-08-03 US US13/378,090 patent/US9354281B2/en not_active Expired - Fee Related
- 2010-08-03 CN CN201080038236.4A patent/CN102483443B/zh not_active Expired - Fee Related
- 2010-08-26 TW TW099128567A patent/TWI518348B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW201115166A (en) | 2011-05-01 |
JP2013503328A (ja) | 2013-01-31 |
DE102009028956A1 (de) | 2011-03-03 |
CN102483443A (zh) | 2012-05-30 |
US20120182010A1 (en) | 2012-07-19 |
EP2470920B1 (de) | 2013-10-16 |
TWI518348B (zh) | 2016-01-21 |
WO2011023495A1 (de) | 2011-03-03 |
EP2470920A1 (de) | 2012-07-04 |
KR101682264B1 (ko) | 2016-12-05 |
CN102483443B (zh) | 2016-02-24 |
KR20120066008A (ko) | 2012-06-21 |
US9354281B2 (en) | 2016-05-31 |
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