FI872049A - Kondensatorkonstruktion foer anvaendning vid tryckgivare. - Google Patents
Kondensatorkonstruktion foer anvaendning vid tryckgivare. Download PDFInfo
- Publication number
- FI872049A FI872049A FI872049A FI872049A FI872049A FI 872049 A FI872049 A FI 872049A FI 872049 A FI872049 A FI 872049A FI 872049 A FI872049 A FI 872049A FI 872049 A FI872049 A FI 872049A
- Authority
- FI
- Finland
- Prior art keywords
- tryckgivare
- kondensatorkonstruktion
- foer anvaendning
- anvaendning vid
- vid
- 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 (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI872049A FI872049A (fi) | 1987-05-08 | 1987-05-08 | Kondensatorkonstruktion foer anvaendning vid tryckgivare. |
GB8809108A GB2204412B (en) | 1987-05-08 | 1988-04-18 | Capacitor construction for use in pressure transducers |
DE3814109A DE3814109C2 (de) | 1987-05-08 | 1988-04-26 | Kondensatoranordnung zur Verwendung in Druckfühlern |
US07/190,113 US4831492A (en) | 1987-05-08 | 1988-05-04 | Capacitor construction for use in pressure transducers |
JP63110329A JPS63305229A (ja) | 1987-05-08 | 1988-05-06 | 圧力変換器のためのコンデンサー構造 |
FR888806139A FR2614987B1 (fr) | 1987-05-08 | 1988-05-06 | Structure de condensateur pour utilisation dans des capteurs de pression |
FI902683A FI902683A0 (fi) | 1987-05-08 | 1990-05-29 | Kondensatorkonstruktion foer anvaendnig vid tryckgivare. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI872049A FI872049A (fi) | 1987-05-08 | 1987-05-08 | Kondensatorkonstruktion foer anvaendning vid tryckgivare. |
Publications (2)
Publication Number | Publication Date |
---|---|
FI872049A0 FI872049A0 (fi) | 1987-05-08 |
FI872049A true FI872049A (fi) | 1988-11-09 |
Family
ID=8524449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI872049A FI872049A (fi) | 1987-05-08 | 1987-05-08 | Kondensatorkonstruktion foer anvaendning vid tryckgivare. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4831492A (fi) |
JP (1) | JPS63305229A (fi) |
DE (1) | DE3814109C2 (fi) |
FI (1) | FI872049A (fi) |
FR (1) | FR2614987B1 (fi) |
GB (1) | GB2204412B (fi) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5207103A (en) * | 1987-06-01 | 1993-05-04 | Wise Kensall D | Ultraminiature single-crystal sensor with movable member |
US5013396A (en) * | 1987-06-01 | 1991-05-07 | The Regents Of The University Of Michigan | Method of making an ultraminiature pressure sensor |
US4881410A (en) * | 1987-06-01 | 1989-11-21 | The Regents Of The University Of Michigan | Ultraminiature pressure sensor and method of making same |
GB8718637D0 (en) * | 1987-08-06 | 1987-09-09 | Spectrol Reliance Ltd | Sealing electrical feedthrough |
JPH03170826A (ja) * | 1989-11-29 | 1991-07-24 | Toshiba Corp | 容量型圧力センサ |
JP2517467B2 (ja) * | 1990-10-05 | 1996-07-24 | 山武ハネウエル株式会社 | 静電容量式圧力センサ |
DE4206675C2 (de) * | 1992-02-28 | 1995-04-27 | Siemens Ag | Verfahren zum Herstellen von Druckdifferenz-Sensoren |
US5365790A (en) * | 1992-04-02 | 1994-11-22 | Motorola, Inc. | Device with bonded conductive and insulating substrates and method therefore |
FI93579C (fi) * | 1993-08-20 | 1995-04-25 | Vaisala Oy | Sähköstaattisen voiman avulla takaisinkytketty kapasitiivinen anturi ja menetelmä sen aktiivisen elementin muodon ohjaamiseksi |
FI93580C (fi) * | 1993-10-08 | 1995-04-25 | Vaisala Oy | Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi |
SE506558C2 (sv) * | 1994-04-14 | 1998-01-12 | Cecap Ab | Givarelement för tryckgivare |
US5744725A (en) * | 1994-04-18 | 1998-04-28 | Motorola Inc. | Capacitive pressure sensor and method of fabricating same |
DE4441903C1 (de) * | 1994-11-24 | 1996-03-21 | Siemens Ag | Drucksensor |
JP3319912B2 (ja) * | 1995-06-29 | 2002-09-03 | 株式会社デンソー | 半導体センサ用台座およびその加工方法 |
JP3107516B2 (ja) * | 1996-05-01 | 2000-11-13 | 株式会社日立製作所 | 複合センサ |
US6324914B1 (en) | 1997-03-20 | 2001-12-04 | Alliedsignal, Inc. | Pressure sensor support base with cavity |
US6058780A (en) * | 1997-03-20 | 2000-05-09 | Alliedsignal Inc. | Capacitive pressure sensor housing having a ceramic base |
US6387318B1 (en) | 1997-12-05 | 2002-05-14 | Alliedsignal, Inc. | Glass-ceramic pressure sensor support base and its fabrication |
US20040099061A1 (en) | 1997-12-22 | 2004-05-27 | Mks Instruments | Pressure sensor for detecting small pressure differences and low pressures |
US6556417B2 (en) * | 1998-03-10 | 2003-04-29 | Mcintosh Robert B. | Method to construct variable-area capacitive transducers |
US6860154B2 (en) | 2001-01-16 | 2005-03-01 | Fujikura Ltd. | Pressure sensor and manufacturing method thereof |
DE10257732B4 (de) * | 2002-12-06 | 2005-05-04 | Hegewald & Peschke Meß- und Prüftechnik GmbH | Wegänderungsmesseinrichtung für bewegliche Messarme für Prüfmaschinen |
US6993973B2 (en) * | 2003-05-16 | 2006-02-07 | Mks Instruments, Inc. | Contaminant deposition control baffle for a capacitive pressure transducer |
JP2005172483A (ja) * | 2003-12-09 | 2005-06-30 | Toyo Commun Equip Co Ltd | 圧力センサ |
CN1294410C (zh) * | 2004-09-27 | 2007-01-10 | 厦门大学 | 多层结构键合密封保护式电容压力传感器及制造方法 |
US7201057B2 (en) | 2004-09-30 | 2007-04-10 | Mks Instruments, Inc. | High-temperature reduced size manometer |
US7137301B2 (en) | 2004-10-07 | 2006-11-21 | Mks Instruments, Inc. | Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor |
US7141447B2 (en) * | 2004-10-07 | 2006-11-28 | Mks Instruments, Inc. | Method of forming a seal between a housing and a diaphragm of a capacitance sensor |
US7204150B2 (en) | 2005-01-14 | 2007-04-17 | Mks Instruments, Inc. | Turbo sump for use with capacitive pressure sensor |
DE102011081887A1 (de) * | 2011-08-31 | 2013-02-28 | Robert Bosch Gmbh | Polymerschichtsystem-Drucksensorvorrichtung und Polymerschichtsystem-Drucksensorverfahren |
DE102014108748A1 (de) * | 2014-06-23 | 2015-12-24 | Endress + Hauser Gmbh + Co. Kg | Kapazitiver Differenzdrucksensor und Verfahren zu seiner Herstellung |
CN105318805A (zh) * | 2015-11-30 | 2016-02-10 | 天威保变(秦皇岛)变压器有限公司 | 一种大型变压器线圈轴向高度预测方法及电磁线轴向测量装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1138401A (en) * | 1965-05-06 | 1969-01-01 | Mallory & Co Inc P R | Bonding |
JPS5055732A (fi) * | 1973-09-20 | 1975-05-16 | ||
JPS5516228A (en) * | 1978-07-21 | 1980-02-04 | Hitachi Ltd | Capacity type sensor |
US4287553A (en) * | 1980-06-06 | 1981-09-01 | The Bendix Corporation | Capacitive pressure transducer |
US4425799A (en) * | 1982-06-03 | 1984-01-17 | Kavlico Corporation | Liquid capacitance pressure transducer technique |
JPS6011128A (ja) * | 1983-06-30 | 1985-01-21 | Yokogawa Hokushin Electric Corp | 半導体容量形圧力センサ |
FI71015C (fi) * | 1984-02-21 | 1986-10-27 | Vaisala Oy | Temperaturoberoende kapacitiv tryckgivare |
FI74350C (fi) * | 1984-02-21 | 1988-01-11 | Vaisala Oy | Kapacitiv absoluttryckgivare. |
US4572204A (en) * | 1984-03-21 | 1986-02-25 | Hewlett-Packard Company | Pressure dome with compliant chamber |
US4542435A (en) * | 1984-03-29 | 1985-09-17 | General Signal Corporation | Pressure transducer and mounting |
US4542436A (en) * | 1984-04-10 | 1985-09-17 | Johnson Service Company | Linearized capacitive pressure transducer |
FI842307A (fi) * | 1984-06-07 | 1985-12-08 | Vaisala Oy | Foerfarande foer aostadkommande av genomfoering i en mikromekanisk konstruktion. |
FI75426C (fi) * | 1984-10-11 | 1988-06-09 | Vaisala Oy | Absoluttryckgivare. |
US4599906A (en) * | 1984-10-31 | 1986-07-15 | General Signal Corporation | Remote probe differential pressure transducer |
US4730496A (en) * | 1986-06-23 | 1988-03-15 | Rosemount Inc. | Capacitance pressure sensor |
-
1987
- 1987-05-08 FI FI872049A patent/FI872049A/fi not_active IP Right Cessation
-
1988
- 1988-04-18 GB GB8809108A patent/GB2204412B/en not_active Expired - Lifetime
- 1988-04-26 DE DE3814109A patent/DE3814109C2/de not_active Expired - Lifetime
- 1988-05-04 US US07/190,113 patent/US4831492A/en not_active Expired - Lifetime
- 1988-05-06 FR FR888806139A patent/FR2614987B1/fr not_active Expired - Lifetime
- 1988-05-06 JP JP63110329A patent/JPS63305229A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2204412B (en) | 1992-01-08 |
US4831492A (en) | 1989-05-16 |
FR2614987A1 (fr) | 1988-11-10 |
FI872049A0 (fi) | 1987-05-08 |
FR2614987B1 (fr) | 1990-11-02 |
JPS63305229A (ja) | 1988-12-13 |
GB8809108D0 (en) | 1988-05-18 |
DE3814109C2 (de) | 1997-03-13 |
GB2204412A (en) | 1988-11-09 |
DE3814109A1 (de) | 1988-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: VAISALA OY |