JP2022515971A - 検出装置 - Google Patents
検出装置 Download PDFInfo
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- JP2022515971A JP2022515971A JP2021529286A JP2021529286A JP2022515971A JP 2022515971 A JP2022515971 A JP 2022515971A JP 2021529286 A JP2021529286 A JP 2021529286A JP 2021529286 A JP2021529286 A JP 2021529286A JP 2022515971 A JP2022515971 A JP 2022515971A
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 18
- 230000008901 benefit Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000000708 deep reactive-ion etching Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
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- 230000004048 modification Effects 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
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- 230000001133 acceleration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5719—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using planar vibrating masses driven in a translation vibration along an axis
- G01C19/5733—Structural details or topology
- G01C19/5755—Structural details or topology the devices having a single sensing mass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5705—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis
- G01C19/5712—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis the devices involving a micromechanical structure
-
- 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
-
- 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
- G01P15/097—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 vibratory elements
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Abstract
Description
Claims (20)
- 第1のモードと第2のモードで運動可能な共振部材と、
電極と、
を備え、
前記共振部材が、前記電極の容量性表面部分に面して容量的に結合された容量性表面部分を有し、
前記第1のモードでの前記共振部材の前記容量性表面部分に沿った各点の変位が、前記点に実質的に接する検出装置。 - 前記共振部材の前記容量性表面部分が湾曲された、請求項1に記載の検出装置。
- 前記共振部材の前記容量性表面部分が凹状である、請求項1に記載の検出装置。
- 前記共振部材の前記容量性表面部分が凸状である、請求項1に記載の検出装置。
- 前記共振部材が、本体と、前記本体に一体的に接続されて前記本体から突出する突出部とを有し、
前記突出部が、前記共振部材の前記容量性表面部分を規定する、請求項1に記載の検出装置。 - 前記突出部が、前記共振部材のノード軸に沿って前記本体から延在し、
前記突出部が、近位端部分と遠位端部分を有し、前記遠位端部分が前記近位端部分より幅広く、
前記遠位端部分が、前記共振部材の前記容量性表面部分を規定する、請求項5に記載の検出装置。 - 前記突出部の前記近位端部が、前記本体のうちの前記第2のモードで前記ノード軸に実質的に平行な方向に変位する部分に接続された、請求項6に記載の検出装置。
- 前記共振部材は本体を有し、前記共振部材の前記容量性表面部分が、前記本体の凹面部分である、請求項1に記載の検出装置。
- 基板と、
前記共振部材を前記基板に対して支持するアンカーと、
前記アンカーから前記共振部材を柔軟に分離するための分離機構と、
をさらに備え、
前記分離機構が、前記アンカーに接続されたフランジと、リング部分と、前記リング部分を前記フランジに接続する複数の第1の弾性部分と、前記リング部分を前記共振部材に接続する複数の第2の弾性部分とを有し、
前記複数の第1の弾性部分のそれぞれは、前記複数の第2の弾性部材のそれぞれの剛性より低い剛性を有する、請求項1に記載の検出装置。 - 請求項1に記載の検出装置を含むジャイロスコープ。
- 第1のモードと第2のモードで運動可能な共振部材と、
電極と、
を備え、
前記電極は前記共振部材の2つの容量性表面部分の間にあり、前記共振部材の前記2つの容量性表面部分の一方が前記電極のひとつの容量性表面部分に面して容量的に結合され、前記共振部材の前記2つの容量性表面部分の他方が、前記電極の別の容量性表面部分に面して容量的に結合され、
前記共振部材の前記2つの容量性表面部分のそれぞれに沿った各点の変位が、前記第1のモードで前記点に対して実質的に接する検出装置。 - 前記電極と前記共振部材は、前記電極と前記共振部材の間に容量性チャネルを規定し、
前記共振部材の前記2つの容量性表面部分がそれぞれ前記容量性チャネルの2つの端部を規定する、請求項11に記載の検出装置。 - 前記共振部材が、本体と、前記本体に一体的に接続されて前記本体から突出する2つの突出部とを有し、
前記電極は前記2つの突出部の間にあり、
前記2つの突出部の一方が、前記共振部材の前記2つの容量性表面部分の一方を規定し、前記2つの突出部の他方が、前記共振部材の前記2つの容量性表面部分の他方を規定する、請求項11に記載の検出装置。 - 前記共振部材は本体を有し、前記共振部材の各容量性表面部分が前記本体の凹面部分に対応する、請求項11に記載の検出装置。
- 前記電極は前記共振部材のノード軸に沿って配置された、請求項11に記載の検出装置。
- 本体と、前記本体から前記共振部材のノード軸に沿って延在する突出部とを有しており、第1のモードと第2のモードで運動可能な共振部材を備え、
前記突出部が、近位端部分と遠位端部分とを有し、前記遠位端部分が前記近位端部分より幅広い、検出装置。 - 前記ノード軸に沿った前記突出部と位置合わせされた電極をさらに備え、
前記突出部の前記近位端部分が、前記電極の容量性表面部分に面して容量的に結合された前記共振部材の容量性表面部分を規定する、請求項16に記載の検出装置。 - 前記突出部の前記近位端部分が、前記本体のうちの前記第2のモードで前記ノード軸と実質的に平行な方向に変位する部分に接続された、請求項16に記載の検出装置。
- 前記共振部材の前記容量性表面部分に沿った各点の変位が、前記第1のモードで前記点に対して実質的に接する、請求項16に記載の検出装置。
- 前記共振部材の前記容量性表面部分が湾曲された、請求項19に記載の検出装置。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962789550P | 2019-01-08 | 2019-01-08 | |
US201962789548P | 2019-01-08 | 2019-01-08 | |
US201962789549P | 2019-01-08 | 2019-01-08 | |
US62/789,548 | 2019-01-08 | ||
US62/789,549 | 2019-01-08 | ||
US62/789,550 | 2019-01-08 | ||
PCT/JP2019/051459 WO2020145203A1 (en) | 2019-01-08 | 2019-12-27 | Sensing device |
Publications (2)
Publication Number | Publication Date |
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JP2022515971A true JP2022515971A (ja) | 2022-02-24 |
JP7474931B2 JP7474931B2 (ja) | 2024-04-26 |
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JP2021529286A Active JP7474931B2 (ja) | 2019-01-08 | 2019-12-27 | 検出装置 |
Country Status (5)
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US (1) | US11725941B2 (ja) |
EP (1) | EP3908803A4 (ja) |
JP (1) | JP7474931B2 (ja) |
CN (1) | CN113196009A (ja) |
WO (1) | WO2020145203A1 (ja) |
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-
2019
- 2019-12-27 EP EP19908106.8A patent/EP3908803A4/en active Pending
- 2019-12-27 CN CN201980083356.7A patent/CN113196009A/zh active Pending
- 2019-12-27 JP JP2021529286A patent/JP7474931B2/ja active Active
- 2019-12-27 WO PCT/JP2019/051459 patent/WO2020145203A1/en unknown
- 2019-12-27 US US17/420,751 patent/US11725941B2/en active Active
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WO1996035957A1 (en) * | 1995-05-12 | 1996-11-14 | The Charles Stark Draper Laboratory, Inc. | Gimballed vibrating wheel gyroscope having strain relief features |
US6067858A (en) * | 1996-05-31 | 2000-05-30 | The Regents Of The University Of California | Micromachined vibratory rate gyroscope |
US6520017B1 (en) * | 1999-08-12 | 2003-02-18 | Robert Bosch Gmbh | Micromechanical spin angular acceleration sensor |
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WO2020145203A1 (en) | 2020-07-16 |
EP3908803A1 (en) | 2021-11-17 |
EP3908803A4 (en) | 2022-07-20 |
US20220107181A1 (en) | 2022-04-07 |
JP7474931B2 (ja) | 2024-04-26 |
US20220316881A9 (en) | 2022-10-06 |
CN113196009A (zh) | 2021-07-30 |
US11725941B2 (en) | 2023-08-15 |
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