KR100737708B1 - 마이크로메카니컬 각 가속도 센서 - Google Patents
마이크로메카니컬 각 가속도 센서 Download PDFInfo
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- KR100737708B1 KR100737708B1 KR1020000046285A KR20000046285A KR100737708B1 KR 100737708 B1 KR100737708 B1 KR 100737708B1 KR 1020000046285 A KR1020000046285 A KR 1020000046285A KR 20000046285 A KR20000046285 A KR 20000046285A KR 100737708 B1 KR100737708 B1 KR 100737708B1
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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
- G01P3/02—Devices characterised by the use of mechanical means
- G01P3/16—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses
- G01P3/22—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses transferred to the indicator by electric or magnetic 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
- G01P15/02—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
- G01P15/0888—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 for indicating angular acceleration
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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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Abstract
Description
Claims (9)
- 기판(100)에 제공되는 고정 장치(20; 20")를 갖는 기판(100);상기 고정 장치(20)가 실질적으로 링 중심에 놓임으로써, 링형 관성 질량체(10; 10'; 10")가 적어도 하나의 회전축(z, y)을 중심으로 검출될 각 가속도 자체에 의해 탄성적으로 정지 위치로부터 변위될 수 있도록 비틀림 스프링 장치(15a, 15b, 15c; 15a', 15b')를 통해 상기 고정 장치(20; 20")에 연결되는 링형 관성 질량체(10; 10'; 10"); 및상기 링형 관성 질량체(10; 10'; 10")에 제공된 변위 가능한 제 1 커패시터 플레이트 장치(101 내지 106; PM) 및 상기 기판(100)에 제공된 고정된 제 2 커패시터 플레이트 장치(201 내지 218; PS)를 포함하고,상기 제 1 커패시터 플레이트 장치(101 내지 106; PM) 및 상기 제 2 커패시터 플레이트 장치(201 내지 218; PS)는 상기 회전축(z, y)을 중심으로 하는 각 가속도를 나타내는 변위(a)를 검출하기 위한 차동 커패시터 장치(S1 내지 S3; C1, C2)로서 형성되는, 마이크로메카니컬 각 가속도 센서.
- 제 1 항에 있어서,상기 센서가 상기 링형 관성 질량체(10; 10'; 10")에 제공된 변위 가능한 제 3 커패시터 플레이트 장치(111 내지 113) 및 상기 기판(100)에 제공된 고정 제 4 커패시터 플레이트 장치(40a 내지 40c)를 포함하고,상기 제 3 커패시터 플레이트 장치(111 내지 113) 및 상기 제 4 커패시터 플레이트 장치(40a 내지 40c)는 상기 비틀림 스프링 장치(15a, 15b, 15c; 15a', 15b')의 스프링 강성을 정전기적으로 튜닝하기 위한 강성 튜닝 장치(T1 내지 T6)로서 형성되는 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 1 항 또는 제 2 항에 있어서,상기 관성 질량체(10; 10')는 원형 링 구조를 가지며 기판 표면에 대해 수직인 회전축(z)을 중심으로 변위 가능한 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 3 항에 있어서,상기 제 1 커패시터 플레이트 장치(101 내지 106) 및 상기 제 3 커패시터 플레이트 장치(111 내지 113)는 상기 원형 링 구조의 리세스 내에 형성되는 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 3 항에 있어서,상기 제 2 커패시터 플레이트 장치(201 내지 218) 및 상기 제 4 커패시터 플레이트 장치(40a 내지 40c)는 상기 원형 링 구조의 리세스 내로 돌출하는 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 1 항 또는 제 2 항에 있어서,상기 관성 질량체(10; 10')는 이중 원형 링 구조를 가지고 상기 기판 표면에 대해 수직인 회전축(z)을 중심으로 변위 가능하며, 상기 차동 커패시터 장치(S1 내지 S3) 및/또는 상기 강성 튜닝 장치(T1 내지 T6)가 두 원형 링 사이에 배치되는 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 6 항에 있어서,상기 비틀림 스프링 장치(15a 내지 15c)는 내부 원형 링 내의 중단부를 통해 외부 원형 링까지 안내되는 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 1 항 또는 제 2 항에 있어서,상기 관성 질량체(10")는 직사각형 링 구조를 가지며 상기 기판 표면에 대해 평행한 회전축(y)을 중심으로 변위 가능한 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
- 제 8 항에 있어서,상기 제 1 커패시터 플레이트 장치(PM)는 상기 회전축(y)에 대해 평행하게 연장되는 직사각형 측면에 제공되고, 상기 제 2 커패시터 플레이트 장치(PS)는 그 아래에 놓인 기판 영역 내에 제공되는 것을 특징으로 하는, 마이크로메카니컬 각 가속도 센서.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19938206A DE19938206A1 (de) | 1999-08-12 | 1999-08-12 | Mikromechanischer Drehbeschleunigungssensor |
DE19938206.9 | 1999-08-12 |
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KR20010021258A KR20010021258A (ko) | 2001-03-15 |
KR100737708B1 true KR100737708B1 (ko) | 2007-07-11 |
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KR1020000046285A KR100737708B1 (ko) | 1999-08-12 | 2000-08-10 | 마이크로메카니컬 각 가속도 센서 |
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US (1) | US6520017B1 (ko) |
JP (1) | JP4705229B2 (ko) |
KR (1) | KR100737708B1 (ko) |
DE (1) | DE19938206A1 (ko) |
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WO1995028009A1 (de) * | 1994-04-09 | 1995-10-19 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Halbleiterelement mit passivierter oberfläche und verfahren zu seiner herstellung |
KR19980031892A (ko) * | 1996-10-31 | 1998-07-25 | 김광호 | 마이크로자이로스코프의 제조 방법 |
KR19990014303A (ko) * | 1997-07-30 | 1999-02-25 | 제랄드 엘.클라인 | 2축 네비게이션 그레이드 마이크로머신형 회전 감지기 시스템 |
US6360605B1 (en) * | 1999-07-03 | 2002-03-26 | Robert Bosch Gmbh | Micromechanical device |
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US5377544A (en) * | 1991-12-19 | 1995-01-03 | Motorola, Inc. | Rotational vibration gyroscope |
US5251484A (en) * | 1992-04-03 | 1993-10-12 | Hewlett-Packard Company | Rotational accelerometer |
FR2700014B1 (fr) * | 1992-12-08 | 1995-04-28 | Commissariat Energie Atomique | Capteur capacitif sensible aux accélérations orientées dans toutes les directions d'un plan. |
JPH08304450A (ja) * | 1995-05-12 | 1996-11-22 | Zexel Corp | 加速度センサ及び加速度センサの製造方法 |
US5635640A (en) * | 1995-06-06 | 1997-06-03 | Analog Devices, Inc. | Micromachined device with rotationally vibrated masses |
US5818227A (en) * | 1996-02-22 | 1998-10-06 | Analog Devices, Inc. | Rotatable micromachined device for sensing magnetic fields |
DE19617666B4 (de) * | 1996-05-03 | 2006-04-20 | Robert Bosch Gmbh | Mikromechanischer Drehratensensor |
DE19641284C1 (de) * | 1996-10-07 | 1998-05-20 | Inst Mikro Und Informationstec | Drehratensensor mit entkoppelten orthogonalen Primär- und Sekundärschwingungen |
GB2318184B (en) * | 1996-10-08 | 2000-07-05 | British Aerospace | A rate sensor |
US5914553A (en) * | 1997-06-16 | 1999-06-22 | Cornell Research Foundation, Inc. | Multistable tunable micromechanical resonators |
US6257062B1 (en) * | 1999-10-01 | 2001-07-10 | Delphi Technologies, Inc. | Angular Accelerometer |
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1999
- 1999-08-12 DE DE19938206A patent/DE19938206A1/de not_active Withdrawn
-
2000
- 2000-08-10 KR KR1020000046285A patent/KR100737708B1/ko not_active IP Right Cessation
- 2000-08-11 US US09/638,193 patent/US6520017B1/en not_active Expired - Lifetime
- 2000-08-14 JP JP2000245968A patent/JP4705229B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1981731U (de) * | 1967-10-31 | 1968-03-21 | Kurt Kohler | Behaelter fuer kraftfahrzeuge. |
WO1995028009A1 (de) * | 1994-04-09 | 1995-10-19 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Halbleiterelement mit passivierter oberfläche und verfahren zu seiner herstellung |
KR19980031892A (ko) * | 1996-10-31 | 1998-07-25 | 김광호 | 마이크로자이로스코프의 제조 방법 |
KR19990014303A (ko) * | 1997-07-30 | 1999-02-25 | 제랄드 엘.클라인 | 2축 네비게이션 그레이드 마이크로머신형 회전 감지기 시스템 |
US6360605B1 (en) * | 1999-07-03 | 2002-03-26 | Robert Bosch Gmbh | Micromechanical device |
Also Published As
Publication number | Publication date |
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KR20010021258A (ko) | 2001-03-15 |
JP4705229B2 (ja) | 2011-06-22 |
JP2001099855A (ja) | 2001-04-13 |
DE19938206A1 (de) | 2001-02-15 |
US6520017B1 (en) | 2003-02-18 |
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