JP2021047181A - 低ノイズ多軸mems加速度計 - Google Patents
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- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/0009—Structural features, others than packages, for protecting a device against environmental influences
- B81B7/0016—Protection against shocks or vibrations, e.g. vibration damping
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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
- G01P15/0802—Details
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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
- 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
- G01P15/13—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 measuring the force required to restore a proofmass subjected to inertial forces to a null position
- G01P15/132—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 measuring the force required to restore a proofmass subjected to inertial forces to a null position with electromagnetic counterbalancing means
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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
- G01P15/18—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
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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
- G01P2015/0808—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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate
- G01P2015/0811—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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate for one single degree of freedom of movement of the mass
- G01P2015/0814—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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate for one single degree of freedom of movement of the mass for translational movement of the mass, e.g. shuttle type
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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
- G01P2015/0808—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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate
- G01P2015/082—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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate for two degrees of freedom of movement of a single mass
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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
- G01P2015/0854—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 using a particular shape of the mass, e.g. annular
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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
- G01P2015/0857—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 using a particular shape of the suspension spring
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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
- G01P2015/0862—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 particular means being integrated into a MEMS accelerometer structure for providing particular additional functionalities to those of a spring mass system
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Abstract
Description
・櫛コンデンサの基板面と平行なコンデンサ軸に沿った第1方向において、プルーフマスから遠ざかるように延在する可動櫛歯の第1セットと、
・コンデンサ軸に沿った、第1方向と反対の第2方向において、プルーフマスから遠ざかるように延在する可動櫛歯の第2セットと、
・可動櫛歯の第1セットに対向し、かつ互いに入り込んでおり、第2方向においてプルーフマスに向かって延在する静止櫛歯の第1セットと、
・可動櫛歯の第2セットに対向し、かつ互いに入り込んでおり、第1方向においてプルーフマスに向かって延在する静止櫛歯の第2セットと
を含むことを特徴とする。
Claims (16)
- 基板面を規定する基板と、
プルーフマスと、
前記プルーフマスから延在する可動櫛電極および前記基板に固定された静止櫛電極を含む2以上の櫛コンデンサとを備える2軸MEMS加速度計であって、
各櫛コンデンサは、
前記櫛コンデンサの前記基板面と平行なコンデンサ軸に沿った第1方向において、前記プルーフマスから遠ざかるように延在する可動櫛歯の第1セットと、
前記コンデンサ軸に沿った、前記第1方向と反対の第2方向において、前記プルーフマスから遠ざかるように延在する可動櫛歯の第2セットと、
前記可動櫛歯の第1セットに対向し、かつ互いに入り込んでおり、前記第2方向において前記プルーフマスに向かって延在する静止櫛歯の第1セットと、
前記可動櫛歯の第2セットに対向し、かつ互いに入り込んでおり、前記第1方向において前記プルーフマスに向かって延在する静止櫛歯の第2セットとを含み、
前記プルーフマスが前記第1方向に動くと、前記可動櫛歯の第1セットと前記静止櫛歯の第1セットとは互いに近づき、前記可動櫛歯の第2セットと前記静止歯の第2セットとはさらに離れ、前記プルーフマスが前記第2方向に動くと、前記可動櫛歯の第1セットと前記静止櫛歯の第1セットとはさらに離れ、前記可動櫛歯の第2セットと前記静止歯の第2セットとは互いに近づく
2軸MEMS加速度計。 - 前記プルーフマスが前記第1方向に動くと、前記可動櫛歯の第1セットと前記静止櫛歯の第1セットとは第1距離だけ互いに近づき、前記可動櫛歯の第2セットと前記静止歯の第2セットとは前記第1距離だけさらに離れ、前記プルーフマスが前記第2方向に動くと、前記可動櫛歯の第1セットと前記静止櫛歯の第1セットとは第2距離だけさらに離れ、前記可動櫛歯の第2セットと前記静止歯の第2セットとは前記第2距離だけ互いに近づく
請求項1に記載の2軸MEMS加速度計。 - 前記加速度計が、前記基板面と平行で、かつ前記コンデンサ軸に垂直な横軸に沿った第3方向に動くと、前記第1可動櫛電極と前記第1静止櫛電極、および前記第2可動櫛電極と前記第2静止櫛電極とは両方ともさらに離れ、前記加速度計が、前記横軸に沿った、前記第3方向と反対の第4方向に動くと、前記第1可動櫛電極と前記第1静止櫛電極、および前記第2可動櫛電極と前記第2静止櫛電極は両方とも互いに近づく
請求項1または2に記載の2軸MEMS加速度計。 - 前記2以上の櫛コンデンサの第1櫛コンデンサは、前記コンデンサ軸が、前記基板面と平行な第1軸に沿う、または平行になるように配置され、前記2以上の櫛コンデンサの第2櫛コンデンサは、前記コンデンサ軸が、前記基板面と平行で、かつ前記第1軸に垂直な第2軸に沿う、または平行になるように配置される
請求項1〜3のいずれか1項に記載の2軸MEMS加速度計。 - 前記櫛コンデンサは、対になるように配置され、各対の前記櫛コンデンサ同士は、対の前記櫛コンデンサの前記コンデンサ軸と平行で、かつ前記コンデンサ軸まで等距離である反射軸に対して互いに鏡像である
請求項1〜4のいずれか1項に記載の2軸MEMS加速度計。 - 2対になるように配置された4つの櫛コンデンサを備え、各対の前記反射軸は、前記基板の中心で交差する
請求項4または5に記載の2軸MEMS加速度計。 - 前記静止電極は、前記基板の中心または中心近傍で前記基板に固定される
請求項1〜6のいずれか1項に記載の2軸MEMS加速度計。 - 前記プルーフマスは、前記櫛コンデンサが前記プルーフマスの内部に位置するように、前記櫛コンデンサの周囲に延在する
請求項1〜7のいずれか1項に記載の2軸MEMS加速度計。 - 前記プルーフマスは、ばねによって複数の懸架部に連結され、前記懸架部は、前記基板の中心または中心近傍で固定される
請求項8に記載の2軸MEMS加速度計。 - 前記プルーフマスは、4つのばねによって前記懸架部に連結され、各ばねは、前記プルーフマスの内側コーナーで前記プルーフマスに連結される
請求項9に記載の2軸MEMS加速度計。 - 前記ばねは、2対になるように配置され、各対の前記ばね同士は、前記ばねの中間点で連結される
請求項10に記載の2軸MEMS加速度計。 - 前記静止櫛電極は、複数のアンカーポイントで前記基板に固定され、前記プルーフマスは、前記アンカーポイントの内部に位置する中央部を含む
請求項1〜7のいずれか1項に記載の2軸MEMS加速度計。 - 前記プルーフマスは、さらに、前記中央部から前記MEMS加速度計の外部に向かって延在するアーム部を含み、前記可動櫛電極は、前記アーム部上に配置される
請求項12に記載の2軸MEMS加速度計。 - 前記プルーフマスは、前記プルーフマスおよび前記櫛コンデンサの外周に延在する複数のばねによって、前記基板上のアンカーポイントに連結される
請求項13に記載の2軸MEMS加速度計。 - 各ばねは、アンカーポイントから前記プルーフマスおよび前記櫛コンデンサの周囲を周って中間部まで延在する外側部と、前記中間部から遠ざかり、前記プルーフマスおよび前記櫛コンデンサの周囲を周って前記プルーフマス上の連結点に向かって延在する内側部とを含み、前記ばねの前記内側部は、前記連結点に連結される
請求項14に記載の2軸MEMS加速度計。 - 前記加速度計は、前記プルーフマスの対向面に位置する2対のばねおよび2つのばねアンカーポイントを備え、前記ばねの前記外側部が前記ばねアンカーポイントから遠ざかるように互いに反対方向に延在し、かつ各対の前記ばねの前記中間部同士が隣接するように、各対の一方のばねは各ばねアンカーポイントから延在し、各対のばねの前記中間部同士は連結される
請求項15に記載の2軸MEMS加速度計。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003166999A (ja) * | 2001-12-03 | 2003-06-13 | Denso Corp | 半導体力学量センサ |
US20100122579A1 (en) * | 2008-11-18 | 2010-05-20 | Industrial Technology Research Institute | Multi-axis capacitive accelerometer |
JP2015049190A (ja) * | 2013-09-03 | 2015-03-16 | 株式会社デンソー | 加速度センサ |
JP6328823B2 (ja) * | 2012-01-12 | 2018-05-23 | ムラタ エレクトロニクス オサケユキチュア | 加速度センサー構造体およびその用途 |
US20180238925A1 (en) * | 2017-02-22 | 2018-08-23 | Semiconductor Components Industries, Llc | Accelerometer techniques to compensate package stress |
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JPH09318649A (ja) * | 1996-05-30 | 1997-12-12 | Texas Instr Japan Ltd | 複合センサ |
DE10051973A1 (de) * | 2000-10-20 | 2002-05-02 | Bosch Gmbh Robert | Mikromechanisches Bauelement |
WO2009099124A1 (ja) | 2008-02-07 | 2009-08-13 | Alps Electric Co., Ltd. | 物理量センサ |
DE102008017156A1 (de) | 2008-04-03 | 2009-10-08 | Continental Teves Ag & Co. Ohg | Mikromechanischer Beschleunigungssensor |
DE102008002606B4 (de) | 2008-06-24 | 2020-03-12 | Robert Bosch Gmbh | Mikromechanischer Beschleunigungssensor mit offener seismischer Masse |
WO2010032818A1 (ja) | 2008-09-22 | 2010-03-25 | アルプス電気株式会社 | Memsセンサ及び検出装置 |
TW201020548A (en) * | 2008-11-18 | 2010-06-01 | Ind Tech Res Inst | Multi-axis capacitive accelerometer |
DE102009000729B4 (de) | 2009-02-09 | 2022-05-19 | Robert Bosch Gmbh | Sensoranordnung |
IT1405796B1 (it) * | 2010-11-26 | 2014-01-24 | St Microelectronics Srl | Struttura di accelerometro biassiale risonante di tipo microelettromeccanico |
FI125696B (en) | 2013-09-11 | 2016-01-15 | Murata Manufacturing Co | Gyroscope structure and gyroscope with improved quadrature compensation |
EP3239723B1 (en) | 2014-12-25 | 2019-09-04 | Goertek. Inc | Inertia measurement module and three-axis accelerometer |
TWI570054B (zh) | 2015-12-28 | 2017-02-11 | 財團法人工業技術研究院 | 具中央固定座的微機電裝置 |
US10203352B2 (en) | 2016-08-04 | 2019-02-12 | Analog Devices, Inc. | Anchor tracking apparatus for in-plane accelerometers and related methods |
US10634696B2 (en) | 2016-12-19 | 2020-04-28 | Khalifa University of Science and Technology | Multi-axis accelerometers with reduced cross-axis sensitivity |
JP6922552B2 (ja) | 2017-08-25 | 2021-08-18 | セイコーエプソン株式会社 | 物理量センサー、物理量センサーデバイス、電子機器、携帯型電子機器および移動体 |
JP7056099B2 (ja) | 2017-11-28 | 2022-04-19 | セイコーエプソン株式会社 | 物理量センサー、物理量センサーデバイス、複合センサーデバイス、慣性計測装置、移動体測位装置、携帯型電子機器、電子機器および移動体 |
-
2020
- 2020-09-09 US US17/015,539 patent/US11377346B2/en active Active
- 2020-09-10 JP JP2020151994A patent/JP7028293B2/ja active Active
- 2020-09-10 EP EP20195500.2A patent/EP3792638B1/en active Active
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003166999A (ja) * | 2001-12-03 | 2003-06-13 | Denso Corp | 半導体力学量センサ |
US20100122579A1 (en) * | 2008-11-18 | 2010-05-20 | Industrial Technology Research Institute | Multi-axis capacitive accelerometer |
JP6328823B2 (ja) * | 2012-01-12 | 2018-05-23 | ムラタ エレクトロニクス オサケユキチュア | 加速度センサー構造体およびその用途 |
JP2015049190A (ja) * | 2013-09-03 | 2015-03-16 | 株式会社デンソー | 加速度センサ |
JP6020392B2 (ja) * | 2013-09-03 | 2016-11-02 | 株式会社デンソー | 加速度センサ |
US20180238925A1 (en) * | 2017-02-22 | 2018-08-23 | Semiconductor Components Industries, Llc | Accelerometer techniques to compensate package stress |
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EP3792638A1 (en) | 2021-03-17 |
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US11377346B2 (en) | 2022-07-05 |
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