DE2221062C3 - Kapazitiver Druckwandler - Google Patents

Kapazitiver Druckwandler

Info

Publication number
DE2221062C3
DE2221062C3 DE2221062A DE2221062A DE2221062C3 DE 2221062 C3 DE2221062 C3 DE 2221062C3 DE 2221062 A DE2221062 A DE 2221062A DE 2221062 A DE2221062 A DE 2221062A DE 2221062 C3 DE2221062 C3 DE 2221062C3
Authority
DE
Germany
Prior art keywords
pressure transducer
thin film
pressure
thin
bridge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2221062A
Other languages
German (de)
English (en)
Other versions
DE2221062B2 (de
DE2221062A1 (de
Inventor
William Ronald River Edge N.J. Polye (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bendix Corp
Original Assignee
Bendix Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bendix Corp filed Critical Bendix Corp
Publication of DE2221062A1 publication Critical patent/DE2221062A1/de
Publication of DE2221062B2 publication Critical patent/DE2221062B2/de
Application granted granted Critical
Publication of DE2221062C3 publication Critical patent/DE2221062C3/de
Expired legal-status Critical Current

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
    • G01L9/0082—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means
    • G01L9/0086—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means using variations in capacitance
    • 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
    • G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
    • 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
    • G01L9/12—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 by making use of variations in capacitance, i.e. electric circuits therefor
    • G01L9/125—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 by making use of variations in capacitance, i.e. electric circuits therefor with temperature compensating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
DE2221062A 1971-05-10 1972-04-28 Kapazitiver Druckwandler Expired DE2221062C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11235971A 1971-05-10 1971-05-10

Publications (3)

Publication Number Publication Date
DE2221062A1 DE2221062A1 (de) 1972-11-23
DE2221062B2 DE2221062B2 (de) 1980-06-04
DE2221062C3 true DE2221062C3 (de) 1981-02-19

Family

ID=22343484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2221062A Expired DE2221062C3 (de) 1971-05-10 1972-04-28 Kapazitiver Druckwandler

Country Status (7)

Country Link
US (1) US3715638A (enExample)
JP (1) JPS5528335B1 (enExample)
CA (1) CA923631A (enExample)
DE (1) DE2221062C3 (enExample)
FR (1) FR2139401A5 (enExample)
GB (1) GB1319218A (enExample)
IT (1) IT955321B (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079276A (en) 1995-02-28 2000-06-27 Rosemount Inc. Sintered pressure sensor for a pressure transmitter
US6484585B1 (en) 1995-02-28 2002-11-26 Rosemount Inc. Pressure sensor for a pressure transmitter
US6505516B1 (en) 2000-01-06 2003-01-14 Rosemount Inc. Capacitive pressure sensing with moving dielectric
US6508129B1 (en) 2000-01-06 2003-01-21 Rosemount Inc. Pressure sensor capsule with improved isolation
US6516671B2 (en) 2000-01-06 2003-02-11 Rosemount Inc. Grain growth of electrical interconnection for microelectromechanical systems (MEMS)
US6520020B1 (en) 2000-01-06 2003-02-18 Rosemount Inc. Method and apparatus for a direct bonded isolated pressure sensor
US6561038B2 (en) 2000-01-06 2003-05-13 Rosemount Inc. Sensor with fluid isolation barrier
US6848316B2 (en) 2002-05-08 2005-02-01 Rosemount Inc. Pressure sensor assembly

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787764A (en) * 1971-12-03 1974-01-22 Atomic Energy Commission Solid dielectric capacitance gauge for measuring fluid pressure having temperature compensation and guard electrode
US3748571A (en) * 1972-09-07 1973-07-24 Kulite Semiconductors Products Pressure sensitive transducers employing capacitive and resistive variations
NL7313455A (nl) * 1973-10-01 1975-04-03 Philips Nv Mikrofoon met elektrostatische capsule.
US3858097A (en) * 1973-12-26 1974-12-31 Bendix Corp Pressure-sensing capacitor
US4177496A (en) * 1976-03-12 1979-12-04 Kavlico Corporation Capacitive pressure transducer
US4426673A (en) 1976-03-12 1984-01-17 Kavlico Corporation Capacitive pressure transducer and method of making same
GB1563894A (en) * 1976-03-12 1980-04-02 Kavlico Corp Capacitive pressure transducer and method for making same
US4388668A (en) * 1976-03-12 1983-06-14 Kaylico Corporation Capacitive pressure transducer
US4084438A (en) * 1976-03-29 1978-04-18 Setra Systems, Inc. Capacitive pressure sensing device
US4168518A (en) * 1977-05-10 1979-09-18 Lee Shih Y Capacitor transducer
US4151578A (en) * 1977-08-01 1979-04-24 Kavlico Corporation Capacitive pressure transducer
US4204244A (en) * 1978-01-23 1980-05-20 Motorola, Inc. Electromechanical pressure transducer
US4238661A (en) * 1978-10-02 1980-12-09 The Bendix Corporation Pressure-sensing capacitor and method of trimming same
US4238662A (en) * 1978-10-02 1980-12-09 The Bendix Corporation Pressure-sensing capacitor and method of trimming same
US4262399A (en) * 1978-11-08 1981-04-21 General Electric Co. Ultrasonic transducer fabricated as an integral park of a monolithic integrated circuit
FR2442439A1 (fr) * 1978-11-24 1980-06-20 Vaisala Oy Manometre aneroide
DE2851716C2 (de) * 1978-11-30 1987-01-29 Robert Bosch Gmbh, 7000 Stuttgart Meßeinrichtung für Ansaugluft-Druck und -Temperatur
US4288835A (en) * 1979-04-16 1981-09-08 The Bendix Corporation Pressure sensor
US4237989A (en) * 1979-05-11 1980-12-09 National Controls, Inc. Capacitive load cell and method of manufacture
JPS55163850A (en) * 1979-06-08 1980-12-20 Fujitsu Ltd Semiconductor device
US4262532A (en) * 1979-09-13 1981-04-21 General Electric Company Pressure and temperature sensor
DE3008572C2 (de) * 1980-03-06 1982-05-27 Robert Bosch Gmbh, 7000 Stuttgart Druckmeßdose
DE3108300C2 (de) * 1980-03-06 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart Druckmeßdose und Verfahren zu deren Herstellung
US4382247A (en) * 1980-03-06 1983-05-03 Robert Bosch Gmbh Pressure sensor
US4617606A (en) * 1985-01-31 1986-10-14 Motorola, Inc. Capacitive pressure transducer
DE3528520A1 (de) * 1985-08-08 1987-02-19 Bosch Gmbh Robert Druckmessdose
US5051937A (en) * 1986-05-05 1991-09-24 Texas Instruments Incorporated Low cost high precision sensor
US4982351A (en) * 1986-05-05 1991-01-01 Texas Instruments Incorporated Low cost high precision sensor
US4814845A (en) * 1986-11-03 1989-03-21 Kulite Semiconductor Products, Inc. Capacitive transducers employing high conductivity diffused regions
US4807477A (en) * 1988-02-01 1989-02-28 Motorola, Inc. Capacitive temperature compensation for a pressure sensor
DE3932443C1 (enExample) * 1989-09-28 1990-12-20 Endress U. Hauser Gmbh U. Co, 7864 Maulburg, De
DE3933512A1 (de) * 1989-10-06 1991-04-18 Endress Hauser Gmbh Co Differenzdruckmessgeraet
DE4000326C2 (de) * 1990-01-08 1995-12-14 Mannesmann Ag Drucksensor
DE4011901A1 (de) * 1990-04-12 1991-10-17 Vdo Schindling Kapazitiver drucksensor
DE4031791A1 (de) * 1990-10-08 1992-04-09 Leybold Ag Sensor fuer ein kapazitaetsmanometer
DE9013959U1 (de) * 1990-10-08 1990-12-13 Leybold AG, 6450 Hanau Sensor für ein Kapazitäts-Manometer
US5155653A (en) * 1991-08-14 1992-10-13 Maclean-Fogg Company Capacitive pressure sensor
DE4136995C2 (de) * 1991-11-11 1996-08-08 Sensycon Ind Sensorsyst Kapazitiver Drucksensor
US5894452A (en) * 1994-10-21 1999-04-13 The Board Of Trustees Of The Leland Stanford Junior University Microfabricated ultrasonic immersion transducer
US5619476A (en) * 1994-10-21 1997-04-08 The Board Of Trustees Of The Leland Stanford Jr. Univ. Electrostatic ultrasonic transducer
JP2000517061A (ja) * 1997-06-12 2000-12-19 マチュレック，アンドリュウ，エム． 容量液レベル表示器
US5982709A (en) * 1998-03-31 1999-11-09 The Board Of Trustees Of The Leland Stanford Junior University Acoustic transducers and method of microfabrication
US6548840B1 (en) * 2000-04-03 2003-04-15 Hrl Laboratories, Llc Monolithic temperature compensation scheme for field effect transistor integrated circuits
WO2008088898A1 (en) * 2007-01-19 2008-07-24 Sierra Scientific Instruments, Inc. Micro-remote gastrointestinal physiological measurement device
CN101730841B (zh) * 2007-04-23 2012-12-26 基文影像（洛杉矶）有限公司 悬式膜压力传感阵列
JP6141826B2 (ja) * 2011-04-13 2017-06-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｃｍｕｔデバイスにおける温度補償
FR3030738B1 (fr) 2014-12-19 2020-03-20 Commissariat A L'energie Atomique Et Aux Energies Alternatives Capteur de pression adapte aux mesures de pression en milieu agressif

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253207A (en) * 1966-05-24 Measuring apparatus
US2725548A (en) * 1951-07-24 1955-11-29 Harris Transducer Corp Variable-capacitor transducer
US2940035A (en) * 1955-02-14 1960-06-07 Gulton Ind Inc Electrical component of ceramic combined with resistor applied to the surface thereof
US3405559A (en) * 1966-11-07 1968-10-15 United Aircraft Corp Pressure transducer

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079276A (en) 1995-02-28 2000-06-27 Rosemount Inc. Sintered pressure sensor for a pressure transmitter
US6082199A (en) 1995-02-28 2000-07-04 Rosemount Inc. Pressure sensor cavity etched with hot POCL3 gas
US6089097A (en) 1995-02-28 2000-07-18 Rosemount Inc. Elongated pressure sensor for a pressure transmitter
US6484585B1 (en) 1995-02-28 2002-11-26 Rosemount Inc. Pressure sensor for a pressure transmitter
US6505516B1 (en) 2000-01-06 2003-01-14 Rosemount Inc. Capacitive pressure sensing with moving dielectric
US6508129B1 (en) 2000-01-06 2003-01-21 Rosemount Inc. Pressure sensor capsule with improved isolation
US6516671B2 (en) 2000-01-06 2003-02-11 Rosemount Inc. Grain growth of electrical interconnection for microelectromechanical systems (MEMS)
US6520020B1 (en) 2000-01-06 2003-02-18 Rosemount Inc. Method and apparatus for a direct bonded isolated pressure sensor
US6561038B2 (en) 2000-01-06 2003-05-13 Rosemount Inc. Sensor with fluid isolation barrier
US6848316B2 (en) 2002-05-08 2005-02-01 Rosemount Inc. Pressure sensor assembly

Also Published As

Publication number Publication date
DE2221062B2 (de) 1980-06-04
JPS5528335B1 (enExample) 1980-07-26
CA923631A (en) 1973-03-27
FR2139401A5 (enExample) 1973-01-05
DE2221062A1 (de) 1972-11-23
IT955321B (it) 1973-09-29
US3715638A (en) 1973-02-06
GB1319218A (en) 1973-06-06

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)