KR20070032901A - 정전용량형 가속도 센서 - Google Patents
정전용량형 가속도 센서 Download PDFInfo
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- KR20070032901A KR20070032901A KR1020060046933A KR20060046933A KR20070032901A KR 20070032901 A KR20070032901 A KR 20070032901A KR 1020060046933 A KR1020060046933 A KR 1020060046933A KR 20060046933 A KR20060046933 A KR 20060046933A KR 20070032901 A KR20070032901 A KR 20070032901A
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- cap
- shield film
- film
- substrate
- bonding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/483—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable capacitance detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
- B81B3/0002—Arrangements for avoiding sticking of the flexible or moving parts
- B81B3/0008—Structures for avoiding electrostatic attraction, e.g. avoiding charge accumulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/0032—Packages or encapsulation
- B81B7/0077—Other packages not provided for in groups B81B7/0035 - B81B7/0074
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
- G01P1/023—Housings for acceleration measuring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/02—Sensors
- B81B2201/0228—Inertial sensors
- B81B2201/0235—Accelerometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
- G01P2015/0822—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
- G01P2015/0825—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass
- G01P2015/0828—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass the mass being of the paddle type being suspended at one of its longitudinal ends
Abstract
Description
Claims (6)
- 가속도를 검출하기 위한 가동부를 가지는 가속도 검출부를 가지는 기판과,상기 가속도 검출부를 둘러싸도록 상기 기판 위에 고정된 접합틀과,상기 기판 위에 설치되고, 상기 기판과 대향하는 면이 상기 접합틀과 고정되어 있는 가장자리영역과 그 이외의 중앙영역으로 구성되어 있는 캡과,상기 캡의 적어도 상기 중앙영역의 표면전체에 걸쳐 형성된 도전성의 실드막을 가지고,상기 실드막은 상기 가동부와 전기적으로 접속되어 있는 것을 특징으로 하는 정전용량형 가속도 센서.
- 제 1항에 있어서,상기 실드막은, 상기 가장자리영역의 표면에 연장해서 형성되어 있는 것을 특징으로 하는 정전용량형 가속도 센서.
- 제 2항에 있어서,상기 실드막은, 제1의 두께를 가지는 제1의 부분과, 제1의 두께보다 두꺼운 두께를 가지고 상기 중앙영역에 설치된 제2의 부분을 가지는 것을 특징으로 하는 정전용량형 가속도 센서.
- 제 2항에 있어서,상기 접합틀 또는 상기 캡에는, 상기 실드막을 수용하는 오목부가 형성되어 있는 것을 특징으로 하는 정전용량형 가속도 센서.
- 제 2항에 있어서,상기 캡은 상기 중앙영역으로부터 돌출한 지지 기둥을 가지고, 상기 지지 기둥의 표면에 형성된 상기 실드막을 경유하여 상기 실드막과 상기 가동부가 전기적으로 접속되어 있는 것을 특징으로 하는 정전용량형 가속도 센서.
- 가속도를 검출하기 위한 가동부를 가지는 가속도 검출부를 가지는 기판과,상기 가속도 검출부를 둘러싸도록 상기 기판 위에 고정된 접합틀과,상기 기판 위에 설치되고, 상기 기판과 대향하는 면이 상기 접합틀과 고정되어 있는 가장자리영역과 그 이외의 중앙영역으로 구성되어 있는 캡과,상기 캡의 적어도 상기 중앙영역의 표면전체에 걸쳐 형성된 도전성의 실드막과,상기 가동부에 접속된 제1의 외부전극과,상기 실드막에 접속된 제2의 외부전극을 가지고,상기 제1의 외부전극과 상기 제2의 외부전극은 전기적으로 접속 가능하도록 배치되어 있는 것을 특징으로 하는 정전용량형 가속도 센서.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00271519 | 2005-09-20 | ||
JP2005271519A JP4839747B2 (ja) | 2005-09-20 | 2005-09-20 | 静電容量型加速度センサ |
Publications (2)
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KR20070032901A true KR20070032901A (ko) | 2007-03-23 |
KR100903789B1 KR100903789B1 (ko) | 2009-06-19 |
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KR1020060046933A KR100903789B1 (ko) | 2005-09-20 | 2006-05-25 | 정전용량형 가속도 센서 |
Country Status (4)
Country | Link |
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US (1) | US7533570B2 (ko) |
JP (1) | JP4839747B2 (ko) |
KR (1) | KR100903789B1 (ko) |
DE (1) | DE102006025373B4 (ko) |
Families Citing this family (15)
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US20080191334A1 (en) * | 2007-02-12 | 2008-08-14 | Visera Technologies Company Limited | Glass dam structures for imaging devices chip scale package |
US8716850B2 (en) | 2007-05-18 | 2014-05-06 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the same |
JP4839466B2 (ja) * | 2007-08-23 | 2011-12-21 | 三菱電機株式会社 | 慣性力センサおよびその製造方法 |
FR2924813B1 (fr) * | 2007-12-11 | 2011-06-24 | Memscap | Accelerometre pendulaire et procede de fabrication de celui-ci |
JP4650843B2 (ja) | 2007-12-28 | 2011-03-16 | 三菱電機株式会社 | 半導体装置および半導体装置の製造方法 |
JP5391599B2 (ja) * | 2008-07-14 | 2014-01-15 | オムロン株式会社 | 基板接合方法及び電子部品 |
US8939029B2 (en) | 2008-09-05 | 2015-01-27 | Analog Devices, Inc. | MEMS sensor with movable Z-axis sensing element |
US8146425B2 (en) * | 2008-09-05 | 2012-04-03 | Analog Devices, Inc. | MEMS sensor with movable z-axis sensing element |
DE102008042351A1 (de) * | 2008-09-25 | 2010-04-01 | Robert Bosch Gmbh | Mikromechanischer Sensor |
DE102009002559A1 (de) * | 2009-04-22 | 2010-10-28 | Robert Bosch Gmbh | Sensoranordnung |
US8485032B2 (en) * | 2011-03-14 | 2013-07-16 | Honeywell International Inc. | Methods and apparatus for improving performance of an accelerometer |
JP2013181884A (ja) * | 2012-03-02 | 2013-09-12 | Panasonic Corp | 静電容量式センサ |
US9568491B2 (en) | 2013-07-08 | 2017-02-14 | Honeywell International Inc. | Reducing the effect of glass charging in MEMS devices |
WO2017061635A1 (ko) * | 2015-10-06 | 2017-04-13 | 주식회사 스탠딩에그 | Mems 장치 및 그 제조 방법 |
JP6729423B2 (ja) | 2017-01-27 | 2020-07-22 | 三菱電機株式会社 | 半導体装置、半導体装置の製造方法 |
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JPH07263712A (ja) * | 1994-03-25 | 1995-10-13 | Nippon Seiki Co Ltd | 半導体センサ |
JPH08122359A (ja) * | 1994-10-21 | 1996-05-17 | Fuji Electric Co Ltd | 半導体加速度センサとその製造方法および試験方法 |
US5545912A (en) | 1994-10-27 | 1996-08-13 | Motorola, Inc. | Electronic device enclosure including a conductive cap and substrate |
JP3613838B2 (ja) * | 1995-05-18 | 2005-01-26 | 株式会社デンソー | 半導体装置の製造方法 |
JPH0961456A (ja) * | 1995-08-29 | 1997-03-07 | Murata Mfg Co Ltd | 半導体装置 |
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US6528724B1 (en) * | 2000-01-19 | 2003-03-04 | Mitsubishi Denki Kabushiki Kaisha | Microdevice and its production method |
DE10055081A1 (de) * | 2000-11-07 | 2002-05-16 | Bosch Gmbh Robert | Mikrostrukturbauelement |
WO2002103368A1 (en) * | 2001-06-13 | 2002-12-27 | Mitsubishi Denki Kabushiki Kaisha | Silicon device |
JP2003240797A (ja) * | 2002-02-18 | 2003-08-27 | Mitsubishi Electric Corp | 半導体加速度センサ |
JP2005077349A (ja) * | 2003-09-03 | 2005-03-24 | Mitsubishi Electric Corp | 加速度センサ |
DE10340938A1 (de) | 2003-09-05 | 2005-03-31 | Robert Bosch Gmbh | Sensoranordnung |
EP1522521B1 (en) * | 2003-10-10 | 2015-12-09 | Infineon Technologies AG | Capacitive sensor |
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- 2005-09-20 JP JP2005271519A patent/JP4839747B2/ja active Active
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2006
- 2006-04-06 US US11/278,904 patent/US7533570B2/en active Active
- 2006-05-25 KR KR1020060046933A patent/KR100903789B1/ko active IP Right Grant
- 2006-05-31 DE DE102006025373A patent/DE102006025373B4/de active Active
Also Published As
Publication number | Publication date |
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DE102006025373A1 (de) | 2007-03-29 |
JP2007085747A (ja) | 2007-04-05 |
JP4839747B2 (ja) | 2011-12-21 |
US20070062285A1 (en) | 2007-03-22 |
US7533570B2 (en) | 2009-05-19 |
KR100903789B1 (ko) | 2009-06-19 |
DE102006025373B4 (de) | 2013-06-20 |
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