KR20000075825A - 자기 센서 - Google Patents
자기 센서 Download PDFInfo
- Publication number
- KR20000075825A KR20000075825A KR1019997007899A KR19997007899A KR20000075825A KR 20000075825 A KR20000075825 A KR 20000075825A KR 1019997007899 A KR1019997007899 A KR 1019997007899A KR 19997007899 A KR19997007899 A KR 19997007899A KR 20000075825 A KR20000075825 A KR 20000075825A
- Authority
- KR
- South Korea
- Prior art keywords
- signal processing
- circuit
- magnetic sensor
- processing circuit
- temperature coefficient
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 135
- 239000004065 semiconductor Substances 0.000 claims abstract description 23
- 239000010409 thin film Substances 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 43
- 230000035945 sensitivity Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 230000004907 flux Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 229910000673 Indium arsenide Inorganic materials 0.000 description 10
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006355 external stress Effects 0.000 description 2
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 229910003266 NiCo Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
Claims (9)
- 화합물 반도체 박막 또는 자성 박막으로 이루어지는 자기 센서부, 및상기 자기 센서부에서 전기적 출력으로서 검출한 자기 신호를 증폭하는 신호 처리 회로를 구비하되,상기 신호 처리 회로는 연산 증폭 회로 및 피드백용 정전류 회로를 구비하는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제1항에 있어서, 상기 정전류 회로는 상기 연산 증폭 회로의 출력에 따른 상이한 전류값을 상기 연산 증폭 회로의 비반전 입력단에 피드백시키는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제2항에 있어서, 상기 정전류 회로는 2 종류 이상의 상이한 온도 계수를 갖는 복수의 저항을 구비하고,상기 정전류 회로가 출력하는 전류는 상기 복수의 저항의 합성 저항이 갖는 온도 계수에 반비례하는 온도 계수를 갖는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제3항에 있어서, 상기 복수의 저항의 합성 저항은 상기 자기 센서부의 내부 저항의 온도 계수와 감도의 온도 계수를 보정하는 온도 계수를 갖는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제4항에 있어서, 상기 복수의 저항은, 상기 자기 센서부의 내부 저항의 온도 계수와 감도의 온도 계수와 더불어, 상기 자기 센서부의 검출 대상의 온도 계수도 보정하는 온도 계수를 갖는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제1항 내지 제5항 중의 어느 한 항에 있어서, 상기 신호 처리 회로는 모노리식 IC인 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제1항 내지 제5항 중의 어느 한 항에 있어서, 상기 신호 처리 회로는 절연성 기판 상 또는 반도체 기판 상에 배치한 절연층 상에 형성되어 있는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 제6항에 있어서, 상기 신호 처리 회로는 절연성 기판 상 또는 반도체 기판 상에 배치한 절연층 상에 형성되어 있는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
- 화합물 반도체 박막 또는 자성 박막으로 이루어지는 자기 센서부, 및상기 자기 센서부에서 전기적 출력으로서 검출한 자기 신호를 증폭하는 신호 처리 회로를 구비하되,상기 신호 처리 회로는 피드백용의 2 종류 이상의 상이한 온도 계수를 갖는 복수의 저항을 구비하고,상기 복수의 저항은 연산 증폭 회로의 출력을 비반전 입력단에 피드백시키는 것을 특징으로 하는 신호 처리 회로 부착 자기 센서.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4637697 | 1997-02-28 | ||
JP1997-046376 | 1997-02-28 | ||
JP17211497 | 1997-06-27 | ||
JP1997-172114 | 1997-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000075825A true KR20000075825A (ko) | 2000-12-26 |
KR100338611B1 KR100338611B1 (ko) | 2002-05-27 |
Family
ID=26386487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019997007899A KR100338611B1 (ko) | 1997-02-28 | 1998-02-27 | 자기 센서 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6448768B1 (ko) |
EP (1) | EP0964259B1 (ko) |
JP (1) | JP3362858B2 (ko) |
KR (1) | KR100338611B1 (ko) |
CN (1) | CN1124494C (ko) |
AT (1) | ATE310249T1 (ko) |
DE (1) | DE69832368T2 (ko) |
TW (1) | TW422994B (ko) |
WO (1) | WO1998038519A1 (ko) |
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DE19913074C2 (de) * | 1999-03-23 | 2001-07-26 | Wacker Werke Kg | Bodenverdichtungsvorrichtung mit Servosteuerung |
US6693033B2 (en) | 2000-02-10 | 2004-02-17 | Motorola, Inc. | Method of removing an amorphous oxide from a monocrystalline surface |
US6501973B1 (en) | 2000-06-30 | 2002-12-31 | Motorola, Inc. | Apparatus and method for measuring selected physical condition of an animate subject |
US6555946B1 (en) | 2000-07-24 | 2003-04-29 | Motorola, Inc. | Acoustic wave device and process for forming the same |
AU2001279196A1 (en) * | 2000-08-18 | 2002-03-04 | Motorola, Inc. | Compound semiconductor hall sensor |
US6638838B1 (en) | 2000-10-02 | 2003-10-28 | Motorola, Inc. | Semiconductor structure including a partially annealed layer and method of forming the same |
US6501121B1 (en) | 2000-11-15 | 2002-12-31 | Motorola, Inc. | Semiconductor structure |
US6673646B2 (en) | 2001-02-28 | 2004-01-06 | Motorola, Inc. | Growth of compound semiconductor structures on patterned oxide films and process for fabricating same |
DE10145657C1 (de) * | 2001-03-10 | 2002-10-10 | Automation Hans Nix Gmbh & Co | Verfahren zur Eliminierung von Fehlereinflüssen bei dem Einsatz von Magnetfeld-Sensoren zur Schichtdickenmessung |
US6709989B2 (en) | 2001-06-21 | 2004-03-23 | Motorola, Inc. | Method for fabricating a semiconductor structure including a metal oxide interface with silicon |
US6646293B2 (en) | 2001-07-18 | 2003-11-11 | Motorola, Inc. | Structure for fabricating high electron mobility transistors utilizing the formation of complaint substrates |
US6693298B2 (en) | 2001-07-20 | 2004-02-17 | Motorola, Inc. | Structure and method for fabricating epitaxial semiconductor on insulator (SOI) structures and devices utilizing the formation of a compliant substrate for materials used to form same |
US6667196B2 (en) | 2001-07-25 | 2003-12-23 | Motorola, Inc. | Method for real-time monitoring and controlling perovskite oxide film growth and semiconductor structure formed using the method |
US6594414B2 (en) | 2001-07-25 | 2003-07-15 | Motorola, Inc. | Structure and method of fabrication for an optical switch |
US6585424B2 (en) | 2001-07-25 | 2003-07-01 | Motorola, Inc. | Structure and method for fabricating an electro-rheological lens |
US6639249B2 (en) | 2001-08-06 | 2003-10-28 | Motorola, Inc. | Structure and method for fabrication for a solid-state lighting device |
US6589856B2 (en) | 2001-08-06 | 2003-07-08 | Motorola, Inc. | Method and apparatus for controlling anti-phase domains in semiconductor structures and devices |
US6673667B2 (en) | 2001-08-15 | 2004-01-06 | Motorola, Inc. | Method for manufacturing a substantially integral monolithic apparatus including a plurality of semiconductor materials |
US7317313B2 (en) * | 2002-11-14 | 2008-01-08 | Measurement Specialties, Inc. | Magnetic encoder apparatus |
EP2023398B9 (en) * | 2003-09-09 | 2015-02-18 | Asahi Kasei EMD Corporation | Infrared sensor IC, and infrared sensor and manufacturing method thereof |
US7217981B2 (en) * | 2005-01-06 | 2007-05-15 | International Business Machines Corporation | Tunable temperature coefficient of resistance resistors and method of fabricating same |
US7630159B2 (en) * | 2005-05-27 | 2009-12-08 | Agere Systems Inc. | Resistance mode comparator for determining head resistance |
CN101331385B (zh) * | 2005-12-16 | 2011-11-30 | 旭化成电子材料元件株式会社 | 位置检测装置 |
JP2008151530A (ja) * | 2006-12-14 | 2008-07-03 | Denso Corp | 磁界検出用半導体集積回路 |
JP4940965B2 (ja) * | 2007-01-29 | 2012-05-30 | 株式会社デンソー | 回転センサ及び回転センサ装置 |
JP5243606B2 (ja) * | 2009-06-30 | 2013-07-24 | 旭化成エレクトロニクス株式会社 | 磁気センサ |
KR101046029B1 (ko) * | 2010-04-23 | 2011-07-01 | 삼성전기주식회사 | 홀 소자 및 자기 센서 회로 |
CN101937063B (zh) * | 2010-08-11 | 2013-02-13 | 上海腾怡半导体有限公司 | 磁场传感器 |
CN102445671B (zh) * | 2010-10-13 | 2015-12-16 | 北京中科信电子装备有限公司 | 一种霍尔器件误差补偿电路 |
JP6073705B2 (ja) * | 2013-02-26 | 2017-02-01 | エスアイアイ・セミコンダクタ株式会社 | ヒューズ回路及び半導体集積回路装置 |
US9322840B2 (en) | 2013-07-01 | 2016-04-26 | Infineon Technologies Ag | Resistive element |
US10073136B2 (en) | 2013-12-26 | 2018-09-11 | Allegro Microsystems, Llc | Methods and apparatus for sensor diagnostics including sensing element operation |
JP6370620B2 (ja) * | 2014-06-27 | 2018-08-08 | エイブリック株式会社 | 磁気センサ |
US10527703B2 (en) | 2015-12-16 | 2020-01-07 | Allegro Microsystems, Llc | Circuits and techniques for performing self-test diagnostics in a magnetic field sensor |
US10401438B2 (en) * | 2016-03-08 | 2019-09-03 | Ablic Inc. | Magnetic sensor and magnetic sensor device |
CN107305240A (zh) * | 2016-04-20 | 2017-10-31 | 德昌电机(深圳)有限公司 | 磁传感器集成电路、电机组件及应用设备 |
JP6994843B2 (ja) * | 2017-04-28 | 2022-01-14 | エイブリック株式会社 | 磁気センサ回路 |
JP7200760B2 (ja) * | 2019-03-08 | 2023-01-10 | Tdk株式会社 | 磁気抵抗効果デバイス及び磁気アレイ |
CN111208452A (zh) * | 2019-11-07 | 2020-05-29 | 中国计量大学 | 一种用于多铁性磁传感器的直读式读出系统 |
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JPH09318387A (ja) * | 1996-05-30 | 1997-12-12 | Mitsubishi Electric Corp | 検出装置 |
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-
1998
- 1998-02-27 JP JP53752398A patent/JP3362858B2/ja not_active Expired - Lifetime
- 1998-02-27 WO PCT/JP1998/000841 patent/WO1998038519A1/ja active IP Right Grant
- 1998-02-27 US US09/380,315 patent/US6448768B1/en not_active Expired - Lifetime
- 1998-02-27 TW TW087102951A patent/TW422994B/zh not_active IP Right Cessation
- 1998-02-27 DE DE69832368T patent/DE69832368T2/de not_active Expired - Lifetime
- 1998-02-27 CN CN98802893A patent/CN1124494C/zh not_active Expired - Lifetime
- 1998-02-27 AT AT98905712T patent/ATE310249T1/de not_active IP Right Cessation
- 1998-02-27 EP EP98905712A patent/EP0964259B1/en not_active Expired - Lifetime
- 1998-02-27 KR KR1019997007899A patent/KR100338611B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0964259B1 (en) | 2005-11-16 |
ATE310249T1 (de) | 2005-12-15 |
CN1249038A (zh) | 2000-03-29 |
TW422994B (en) | 2001-02-21 |
WO1998038519A1 (fr) | 1998-09-03 |
EP0964259A1 (en) | 1999-12-15 |
EP0964259A4 (en) | 2000-11-22 |
CN1124494C (zh) | 2003-10-15 |
DE69832368D1 (de) | 2005-12-22 |
DE69832368T2 (de) | 2006-08-03 |
US6448768B1 (en) | 2002-09-10 |
JP3362858B2 (ja) | 2003-01-07 |
US20020021126A1 (en) | 2002-02-21 |
KR100338611B1 (ko) | 2002-05-27 |
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