FI840701A - Temperaturoberoende kapacitiv tryckgivare. - Google Patents
Temperaturoberoende kapacitiv tryckgivare. Download PDFInfo
- Publication number
- FI840701A FI840701A FI840701A FI840701A FI840701A FI 840701 A FI840701 A FI 840701A FI 840701 A FI840701 A FI 840701A FI 840701 A FI840701 A FI 840701A FI 840701 A FI840701 A FI 840701A
- Authority
- FI
- Finland
- Prior art keywords
- tryckgivare
- temperaturoberoende
- kapacitiv
- temperaturoberoende kapacitiv
- kapacitiv tryckgivare
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
- G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI840701A FI71015C (fi) | 1984-02-21 | 1984-02-21 | Temperaturoberoende kapacitiv tryckgivare |
BR8500735A BR8500735A (pt) | 1984-02-21 | 1985-02-15 | Detector de pressao capacitivo |
US06/701,864 US4589054A (en) | 1984-02-21 | 1985-02-15 | Capacitive pressure detector independent of temperature |
GB08504079A GB2156078B (en) | 1984-02-21 | 1985-02-18 | Electrical pressure sensor |
NL8500466A NL8500466A (nl) | 1984-02-21 | 1985-02-19 | Capacitieve drukdetector. |
FR8502409A FR2559900B1 (fr) | 1984-02-21 | 1985-02-20 | Detecteur de pression capacitif insensible aux variations de temperature |
IT12438/85A IT1186833B (it) | 1984-02-21 | 1985-02-20 | Rivelatore capacitivo di pressione indipendente dalla temperatura |
DE3505925A DE3505925C2 (de) | 1984-02-21 | 1985-02-21 | Kapazitiver Druckmesser |
JP60033645A JPS60202323A (ja) | 1984-02-21 | 1985-02-21 | 圧力用デイテクタ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI840701A FI71015C (fi) | 1984-02-21 | 1984-02-21 | Temperaturoberoende kapacitiv tryckgivare |
FI840701 | 1984-02-21 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI840701A0 FI840701A0 (fi) | 1984-02-21 |
FI840701A true FI840701A (fi) | 1985-08-22 |
FI71015B FI71015B (fi) | 1986-07-18 |
FI71015C FI71015C (fi) | 1986-10-27 |
Family
ID=8518585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI840701A FI71015C (fi) | 1984-02-21 | 1984-02-21 | Temperaturoberoende kapacitiv tryckgivare |
Country Status (9)
Country | Link |
---|---|
US (1) | US4589054A (fi) |
JP (1) | JPS60202323A (fi) |
BR (1) | BR8500735A (fi) |
DE (1) | DE3505925C2 (fi) |
FI (1) | FI71015C (fi) |
FR (1) | FR2559900B1 (fi) |
GB (1) | GB2156078B (fi) |
IT (1) | IT1186833B (fi) |
NL (1) | NL8500466A (fi) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI75426C (fi) * | 1984-10-11 | 1988-06-09 | Vaisala Oy | Absoluttryckgivare. |
JPS63149531A (ja) * | 1986-12-12 | 1988-06-22 | Fuji Electric Co Ltd | 静電容量式圧力センサ |
FI872049A (fi) * | 1987-05-08 | 1988-11-09 | Vaisala Oy | Kondensatorkonstruktion foer anvaendning vid tryckgivare. |
FI84401C (fi) * | 1987-05-08 | 1991-11-25 | Vaisala Oy | Kapacitiv tryckgivarkonstruktion. |
GB8718637D0 (en) * | 1987-08-06 | 1987-09-09 | Spectrol Reliance Ltd | Sealing electrical feedthrough |
US4960177A (en) * | 1988-06-03 | 1990-10-02 | University Of Hawaii | Silicon membrane micro-scale |
JPH04268725A (ja) * | 1991-02-25 | 1992-09-24 | Canon Inc | 力学量検出センサおよびその製造方法 |
GB2258050B (en) * | 1991-07-26 | 1994-11-30 | Fuji Electric Co Ltd | Electrostatic capacity type differential pressure detector |
DE4234237C2 (de) * | 1992-10-10 | 2000-11-30 | Bosch Gmbh Robert | Temperaturkompensierter Mikroaktor |
DE59303373D1 (de) * | 1993-01-19 | 1996-09-05 | Fraunhofer Ges Forschung | Drucksensor |
US5369544A (en) * | 1993-04-05 | 1994-11-29 | Ford Motor Company | Silicon-on-insulator capacitive surface micromachined absolute pressure sensor |
FI93059C (fi) * | 1993-07-07 | 1995-02-10 | Vaisala Oy | Kapasitiivinen paineanturirakenne ja menetelmä sen valmistamiseksi |
FI93579C (fi) * | 1993-08-20 | 1995-04-25 | Vaisala Oy | Sähköstaattisen voiman avulla takaisinkytketty kapasitiivinen anturi ja menetelmä sen aktiivisen elementin muodon ohjaamiseksi |
NO179651C (no) * | 1994-03-07 | 1996-11-20 | Sinvent As | Trykkmåler |
US5479827A (en) * | 1994-10-07 | 1996-01-02 | Yamatake-Honeywell Co., Ltd. | Capacitive pressure sensor isolating electrodes from external environment |
US6662663B2 (en) * | 2002-04-10 | 2003-12-16 | Hewlett-Packard Development Company, L.P. | Pressure sensor with two membranes forming a capacitor |
JP4683618B2 (ja) * | 2005-02-10 | 2011-05-18 | キヤノンアネルバ株式会社 | 隔膜型圧力センサ及びその製造方法 |
JP2009250874A (ja) * | 2008-04-09 | 2009-10-29 | Nagano Keiki Co Ltd | 物理量センサおよびその製造方法 |
TWI550261B (zh) * | 2014-03-17 | 2016-09-21 | 立錡科技股份有限公司 | 微機電壓力計以及其製作方法 |
CN104931188A (zh) * | 2014-03-20 | 2015-09-23 | 立锜科技股份有限公司 | 微机电压力计以及其制作方法 |
US20170328800A1 (en) * | 2014-07-11 | 2017-11-16 | Richtek Technology Corporation | Combo micro-electro-mechanical system device and manufacturing method thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203128A (en) * | 1976-11-08 | 1980-05-13 | Wisconsin Alumni Research Foundation | Electrostatically deformable thin silicon membranes |
US4158217A (en) * | 1976-12-02 | 1979-06-12 | Kaylico Corporation | Capacitive pressure transducer with improved electrode |
JPS55732A (en) * | 1978-06-20 | 1980-01-07 | Tokyo Tokushu Densen Toryo Kk | Preparation of polyimide/polyhydantoin resin coating composition |
JPS5516228A (en) * | 1978-07-21 | 1980-02-04 | Hitachi Ltd | Capacity type sensor |
US4386453A (en) * | 1979-09-04 | 1983-06-07 | Ford Motor Company | Method for manufacturing variable capacitance pressure transducers |
JPS5698630A (en) * | 1980-01-11 | 1981-08-08 | Hitachi Ltd | Capacitive sensor |
US4390925A (en) * | 1981-08-26 | 1983-06-28 | Leeds & Northrup Company | Multiple-cavity variable capacitance pressure transducer |
JPS5854676A (ja) * | 1981-09-28 | 1983-03-31 | Hitachi Ltd | 半導体圧力変換器 |
US4415948A (en) * | 1981-10-13 | 1983-11-15 | United Technologies Corporation | Electrostatic bonded, silicon capacitive pressure transducer |
US4467394A (en) * | 1983-08-29 | 1984-08-21 | United Technologies Corporation | Three plate silicon-glass-silicon capacitive pressure transducer |
-
1984
- 1984-02-21 FI FI840701A patent/FI71015C/fi not_active IP Right Cessation
-
1985
- 1985-02-15 BR BR8500735A patent/BR8500735A/pt unknown
- 1985-02-15 US US06/701,864 patent/US4589054A/en not_active Expired - Lifetime
- 1985-02-18 GB GB08504079A patent/GB2156078B/en not_active Expired
- 1985-02-19 NL NL8500466A patent/NL8500466A/nl not_active Application Discontinuation
- 1985-02-20 IT IT12438/85A patent/IT1186833B/it active
- 1985-02-20 FR FR8502409A patent/FR2559900B1/fr not_active Expired
- 1985-02-21 DE DE3505925A patent/DE3505925C2/de not_active Expired - Lifetime
- 1985-02-21 JP JP60033645A patent/JPS60202323A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FI71015B (fi) | 1986-07-18 |
JPS60202323A (ja) | 1985-10-12 |
DE3505925A1 (de) | 1985-08-22 |
NL8500466A (nl) | 1985-09-16 |
FI71015C (fi) | 1986-10-27 |
FI840701A0 (fi) | 1984-02-21 |
JPH0583854B2 (fi) | 1993-11-29 |
DE3505925C2 (de) | 1996-01-11 |
IT8512438A0 (it) | 1985-02-20 |
GB8504079D0 (en) | 1985-03-20 |
GB2156078B (en) | 1987-05-13 |
FR2559900B1 (fr) | 1987-02-27 |
US4589054A (en) | 1986-05-13 |
GB2156078A (en) | 1985-10-02 |
BR8500735A (pt) | 1985-10-08 |
FR2559900A1 (fr) | 1985-08-23 |
IT1186833B (it) | 1987-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |
Owner name: VAISALA OY |