DK0569573T3 - High linearity capacitive pressure measuring device - Google Patents

High linearity capacitive pressure measuring device

Info

Publication number
DK0569573T3
DK0569573T3 DK92923790T DK92923790T DK0569573T3 DK 0569573 T3 DK0569573 T3 DK 0569573T3 DK 92923790 T DK92923790 T DK 92923790T DK 92923790 T DK92923790 T DK 92923790T DK 0569573 T3 DK0569573 T3 DK 0569573T3
Authority
DK
Denmark
Prior art keywords
measuring device
pressure measuring
capacitive pressure
high linearity
linearity
Prior art date
Application number
DK92923790T
Other languages
Danish (da)
Inventor
Hubert Benzel
Original Assignee
Endress Hauser Gmbh Co
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 Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co
Application granted granted Critical
Publication of DK0569573T3 publication Critical patent/DK0569573T3/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/12Measuring 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/0041Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/0041Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0075Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
DK92923790T 1991-11-28 1992-11-25 High linearity capacitive pressure measuring device DK0569573T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4139162 1991-11-28
DE19914142101 DE4142101A1 (en) 1991-11-28 1991-12-19 PRESSURE MEASUREMENT ARRAY WITH HIGH LINEARITY

Publications (1)

Publication Number Publication Date
DK0569573T3 true DK0569573T3 (en) 1996-08-19

Family

ID=25909578

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92923790T DK0569573T3 (en) 1991-11-28 1992-11-25 High linearity capacitive pressure measuring device

Country Status (7)

Country Link
EP (1) EP0569573B1 (en)
JP (1) JPH06507723A (en)
CA (1) CA2101068A1 (en)
DE (2) DE4142101A1 (en)
DK (1) DK0569573T3 (en)
ES (1) ES2085655T3 (en)
WO (1) WO1993011415A1 (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995003534A1 (en) * 1993-07-24 1995-02-02 Endress + Hauser Gmbh + Co. High linearity capacitive pressure sensor
JP3216955B2 (en) * 1994-05-31 2001-10-09 株式会社日立製作所 Capacitive sensor device
JP3125675B2 (en) * 1996-03-29 2001-01-22 三菱電機株式会社 Capacitive sensor interface circuit
US5753820A (en) * 1996-10-25 1998-05-19 Arthur D. Little, Inc. Fluid pressure sensing unit incorporating diaphragm deflection sensing array
EP1071934B1 (en) * 1998-04-09 2002-02-13 Plöchinger, Heinz Capacitive pressure or force sensor structure and method for producing the same
JP2000065664A (en) * 1998-08-26 2000-03-03 Hitachi Ltd Capacitive dynamic quantity sensor
DE10212947C1 (en) * 2002-03-22 2003-09-18 Nord Micro Ag & Co Ohg Pressure sensor determining absolute pressure capacitatively comprises main body, membrane, spacer and holder forming measurement cell assembly
US7924029B2 (en) 2005-12-22 2011-04-12 Synaptics Incorporated Half-bridge for capacitive sensing
WO2008041607A1 (en) * 2006-10-02 2008-04-10 Panasonic Electric Works Co., Ltd. Pressure sensor
EP2189774B1 (en) 2008-11-20 2014-12-31 VEGA Grieshaber KG Method of detecting and compensating for a quick temperature change to a pressure measurement cell
DE102009035973B4 (en) * 2009-08-04 2011-07-07 Baumer Innotec Ag Arrangement and method for capacitive pressure measurement
SG182731A1 (en) * 2010-02-02 2012-08-30 Mks Instr Inc Capacitive pressure sensor
DE102010040932B4 (en) 2010-09-16 2024-04-25 Robert Bosch Gmbh Method for configuring a capacitive pressure measuring arrangement with a non-linear characteristic and pressure measuring arrangement configured in this way
US9156673B2 (en) 2010-09-18 2015-10-13 Fairchild Semiconductor Corporation Packaging to reduce stress on microelectromechanical systems
KR101352827B1 (en) 2010-09-18 2014-01-17 페어차일드 세미컨덕터 코포레이션 Micromachined 3-axis accelerometer with a single proof-mass
US9278846B2 (en) 2010-09-18 2016-03-08 Fairchild Semiconductor Corporation Micromachined monolithic 6-axis inertial sensor
DE112011103124T5 (en) 2010-09-18 2013-12-19 Fairchild Semiconductor Corporation Bearing for reducing quadrature for resonant micromechanical devices
EP2619536B1 (en) * 2010-09-20 2016-11-02 Fairchild Semiconductor Corporation Microelectromechanical pressure sensor including reference capacitor
DE102010062622A1 (en) 2010-12-08 2012-06-14 Ifm Electronic Gmbh Method for self-monitoring of a ceramic pressure measuring cell of a capacitive pressure sensor and an evaluation circuit for carrying out the method
DE102011083133B4 (en) 2011-09-21 2019-01-24 Ifm Electronic Gmbh Method for self-monitoring of a ceramic pressure measuring cell of a capacitive pressure sensor and an evaluation circuit for carrying out the method
US9488693B2 (en) 2012-04-04 2016-11-08 Fairchild Semiconductor Corporation Self test of MEMS accelerometer with ASICS integrated capacitors
EP2648334B1 (en) 2012-04-05 2020-06-10 Fairchild Semiconductor Corporation Mems device front-end charge amplifier
EP2647955B8 (en) 2012-04-05 2018-12-19 Fairchild Semiconductor Corporation MEMS device quadrature phase shift cancellation
US9625272B2 (en) 2012-04-12 2017-04-18 Fairchild Semiconductor Corporation MEMS quadrature cancellation and signal demodulation
US9240296B2 (en) 2012-08-06 2016-01-19 Synaptics Incorporated Keyboard construction having a sensing layer below a chassis layer
US10183857B2 (en) * 2012-08-21 2019-01-22 Robert Bosch Gmbh MEMS pressure sensor with multiple membrane electrodes
DE102013014881B4 (en) 2012-09-12 2023-05-04 Fairchild Semiconductor Corporation Enhanced silicon via with multi-material fill
US9310269B2 (en) * 2012-11-30 2016-04-12 Sensata Technologies, Inc. Analog front-end compensation
DE102014108748A1 (en) * 2014-06-23 2015-12-24 Endress + Hauser Gmbh + Co. Kg Capacitive differential pressure sensor and method for its manufacture
DE102018118646B3 (en) * 2018-08-01 2019-11-07 Ifm Electronic Gmbh Method for monitoring the function of a pressure measuring cell of a capacitive pressure sensor
DE102018118645B3 (en) 2018-08-01 2019-11-07 Ifm Electronic Gmbh Method for monitoring the function of a pressure measuring cell of a capacitive pressure sensor
DE102018121463A1 (en) * 2018-09-03 2020-03-05 Ifm Electronic Gmbh Capacitive pressure sensor with a pressure measuring cell and an evaluation unit, which are spatially separated from each other
DE102018126382B3 (en) 2018-10-23 2020-01-16 Ifm Electronic Gmbh Capacitive pressure sensor
DE102019129264B4 (en) 2019-10-30 2021-07-15 Ifm Electronic Gmbh Method for monitoring the function of a capacitive pressure measuring cell
DE102020122128B3 (en) 2020-08-25 2021-11-04 Ifm Electronic Gmbh Method for monitoring the function of a capacitive pressure measuring cell
DE102022105693B3 (en) 2022-03-10 2023-03-16 Ifm Electronic Gmbh Method for operating a pressure measuring cell of a capacitive pressure sensor
DE102022120883B3 (en) 2022-08-18 2023-08-03 Ifm Electronic Gmbh Process for monitoring the function of a capacitive pressure measuring cell
DE102023107963B3 (en) 2023-03-29 2024-05-02 Ifm Electronic Gmbh Method for compensating a temperature shock on a capacitive pressure measuring cell

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227419A (en) * 1979-09-04 1980-10-14 Kavlico Corporation Capacitive pressure transducer
US4422335A (en) * 1981-03-25 1983-12-27 The Bendix Corporation Pressure transducer
US4542436A (en) * 1984-04-10 1985-09-17 Johnson Service Company Linearized capacitive pressure transducer
US4743836A (en) * 1985-12-06 1988-05-10 United Technologies Corporation Capacitive circuit for measuring a parameter having a linear output voltage
DE4107345C2 (en) * 1991-03-07 1995-12-07 Fraunhofer Ges Forschung Pressure measuring arrangement

Also Published As

Publication number Publication date
DE4142101A1 (en) 1993-06-03
CA2101068A1 (en) 1993-05-29
WO1993011415A1 (en) 1993-06-10
JPH06507723A (en) 1994-09-01
EP0569573B1 (en) 1996-04-10
EP0569573A1 (en) 1993-11-18
DE59205971D1 (en) 1996-05-15
ES2085655T3 (en) 1996-06-01

Similar Documents

Publication Publication Date Title
DK0569573T3 (en) High linearity capacitive pressure measuring device
DE69212734D1 (en) Pressure measuring device
DE69535508D1 (en) Capacitive displacement measuring device
DE69215479D1 (en) Non-contact pressure gauge
DE69212111D1 (en) Substrate displacement measuring device
DE69207983D1 (en) Calibration and measuring device
DE69207708D1 (en) Pressure sensor
DE69720626T2 (en) Capacitive displacement measuring device
DE58901978D1 (en) PRESSURE MEASURING DEVICE.
DE69211217D1 (en) Distance measuring device
DE69208704D1 (en) Resonance pressure sensor
DE69310447D1 (en) Pressure sensor device
BR9201579A (en) SENSOR DEVICE
DE69232149D1 (en) Measuring device
FR2629196B1 (en) CAPACITIVE SENSOR
DE69215884D1 (en) Measuring device
DE59400388D1 (en) Capacitive measuring device
DE69201145D1 (en) Dimension measuring device.
DE69308669D1 (en) Absolute capacitive position measuring device
DK0658754T3 (en) Pressure Measuring Device
BR9204720A (en) PRESSURE SENSOR
DE69530074D1 (en) Capacitive measuring device
DE59202195D1 (en) Compensated differential pressure measuring device.
DE69227414D1 (en) Distance measuring device
BR9200144A (en) SENSOR DEVICE