ZA8507740B - Absolute pressure transducer - Google Patents

Absolute pressure transducer


Publication number
ZA8507740B ZA857740A ZA8507740A ZA8507740B ZA 8507740 B ZA8507740 B ZA 8507740B ZA 857740 A ZA857740 A ZA 857740A ZA 8507740 A ZA8507740 A ZA 8507740A ZA 8507740 B ZA8507740 B ZA 8507740B
South Africa
Prior art keywords
pressure transducer
absolute pressure
Prior art date
Application number
Heikki Kuisma
Original Assignee
Vaisala Oy
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
Priority to FI843989A priority Critical patent/FI75426C/en
Application filed by Vaisala Oy filed Critical Vaisala Oy
Publication of ZA8507740B publication Critical patent/ZA8507740B/en



    • G01L9/00Measuring steady or quasi-steady pressure of a fluid or a 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
    • G01L9/0073Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm
    • H01G5/00Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/16Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of distance between electrodes
ZA857740A 1984-10-11 1985-10-08 Absolute pressure transducer ZA8507740B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI843989A FI75426C (en) 1984-10-11 1984-10-11 Absoluttryckgivare.

Publications (1)

Publication Number Publication Date
ZA8507740B true ZA8507740B (en) 1986-06-25



Family Applications (1)

Application Number Title Priority Date Filing Date
ZA857740A ZA8507740B (en) 1984-10-11 1985-10-08 Absolute pressure transducer

Country Status (12)

Country Link
US (1) US4609966A (en)
JP (1) JPH0533732B2 (en)
BR (1) BR8505067A (en)
DE (1) DE3535904C2 (en)
FI (1) FI75426C (en)
FR (1) FR2571855B1 (en)
GB (1) GB2165652B (en)
IT (1) IT1186937B (en)
NL (1) NL8502795A (en)
NO (1) NO854029L (en)
SE (1) SE8504703L (en)
ZA (1) ZA8507740B (en)

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FI872049A (en) * 1987-05-08 1988-11-09 Vaisala Oy Kondensatorkonstruktion Foer anvaendning at the pressure sensor.
JPH0519088B2 (en) * 1987-07-02 1993-03-15 Yokogawa Electric Corp
GB8718639D0 (en) * 1987-08-06 1987-09-09 Spectrol Reliance Ltd Capacitive pressure sensors
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US5245504A (en) * 1989-02-28 1993-09-14 United Technologies Corporation Methodology for manufacturing hinged diaphragms for semiconductor sensors
US4998179A (en) * 1989-02-28 1991-03-05 United Technologies Corporation Capacitive semiconductive sensor with hinged diaphragm for planar movement
US5165281A (en) * 1989-09-22 1992-11-24 Bell Robert L High pressure capacitive transducer
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US5184107A (en) * 1991-01-28 1993-02-02 Honeywell, Inc. Piezoresistive pressure transducer with a conductive elastomeric seal
US5323656A (en) * 1992-05-12 1994-06-28 The Foxboro Company Overpressure-protected, polysilicon, capacitive differential pressure sensor and method of making the same
US5189591A (en) * 1992-06-12 1993-02-23 Allied-Signal Inc. Aluminosilicate glass pressure transducer
US5317919A (en) * 1992-06-16 1994-06-07 Teledyne Industries, Inc. A precision capacitor sensor
US5351550A (en) * 1992-10-16 1994-10-04 Honeywell Inc. Pressure sensor adapted for use with a component carrier
US5545594A (en) * 1993-10-26 1996-08-13 Yazaki Meter Co., Ltd. Semiconductor sensor anodic-bonding process, wherein bonding of corrugation is prevented
US5479827A (en) * 1994-10-07 1996-01-02 Yamatake-Honeywell Co., Ltd. Capacitive pressure sensor isolating electrodes from external environment
US5528452A (en) * 1994-11-22 1996-06-18 Case Western Reserve University Capacitive absolute pressure sensor
US6484585B1 (en) 1995-02-28 2002-11-26 Rosemount Inc. Pressure sensor for a pressure transmitter
US5637802A (en) * 1995-02-28 1997-06-10 Rosemount Inc. Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates
DE19541616C2 (en) * 1995-11-08 1997-11-06 Klaus Dr Ing Erler Micromechanical component and method for its preparation
US5954850A (en) * 1996-11-22 1999-09-21 Bernot; Anthony J. Method for making glass pressure capacitance transducers in batch
US6324914B1 (en) 1997-03-20 2001-12-04 Alliedsignal, Inc. Pressure sensor support base with cavity
US6387318B1 (en) 1997-12-05 2002-05-14 Alliedsignal, Inc. Glass-ceramic pressure sensor support base and its fabrication
US6058780A (en) * 1997-03-20 2000-05-09 Alliedsignal Inc. Capacitive pressure sensor housing having a ceramic base
JP3339563B2 (en) * 1998-06-09 2002-10-28 株式会社山武 Capacitive sensor
US20020003274A1 (en) * 1998-08-27 2002-01-10 Janusz Bryzek Piezoresistive sensor with epi-pocket isolation
US6006607A (en) * 1998-08-31 1999-12-28 Maxim Integrated Products, Inc. Piezoresistive pressure sensor with sculpted diaphragm
US6089106A (en) * 1998-09-04 2000-07-18 Breed Automotive Technology, Inc. Force sensor assembly
US6346742B1 (en) 1998-11-12 2002-02-12 Maxim Integrated Products, Inc. Chip-scale packaged pressure sensor
US6351996B1 (en) 1998-11-12 2002-03-05 Maxim Integrated Products, Inc. Hermetic packaging for semiconductor pressure sensors
US6229190B1 (en) 1998-12-18 2001-05-08 Maxim Integrated Products, Inc. Compensated semiconductor pressure sensor
US6520020B1 (en) 2000-01-06 2003-02-18 Rosemount Inc. Method and apparatus for a direct bonded isolated pressure sensor
US6505516B1 (en) 2000-01-06 2003-01-14 Rosemount Inc. Capacitive pressure sensing with moving dielectric
US6561038B2 (en) 2000-01-06 2003-05-13 Rosemount Inc. Sensor with fluid isolation barrier
AU2629901A (en) 2000-01-06 2001-07-16 Rosemount Inc. Grain growth of electrical interconnection for microelectromechanical systems (mems)
US6508129B1 (en) 2000-01-06 2003-01-21 Rosemount Inc. Pressure sensor capsule with improved isolation
EP1371092B2 (en) 2001-03-14 2010-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for structuring a flat substrate consisting of a glass-type material
EP1359402B1 (en) * 2002-05-01 2014-10-01 Infineon Technologies AG Pressure sensor
US6848316B2 (en) 2002-05-08 2005-02-01 Rosemount Inc. Pressure sensor assembly
US7030651B2 (en) * 2003-12-04 2006-04-18 Viciciv Technology Programmable structured arrays
JP2006047279A (en) * 2004-07-02 2006-02-16 Alps Electric Co Ltd Glass substrate, and capacitance-type pressure sensor using the same
CN100510667C (en) 2004-07-02 2009-07-08 阿尔卑斯电气株式会社 Glass substrate and capacitance-type pressure sensor using the same
JP2006170893A (en) * 2004-12-17 2006-06-29 Alps Electric Co Ltd Electrostatic capacitive pressure sensor
CN100429033C (en) 2005-07-19 2008-10-29 中国石油天然气股份有限公司 Repairing method for deformed deck of single-deck floating top oil tank
US7345867B2 (en) * 2005-11-18 2008-03-18 Alps Electric Co., Ltd Capacitive pressure sensor and method of manufacturing the same
JP2007163456A (en) * 2005-11-18 2007-06-28 Alps Electric Co Ltd Capacitive pressure sensor
US8358047B2 (en) * 2008-09-29 2013-01-22 Xerox Corporation Buried traces for sealed electrostatic membrane actuators or sensors
CN105092111A (en) * 2014-05-09 2015-11-25 无锡华润上华半导体有限公司 Capacitive pressure sensor and manufacturing method thereof
CN106092332B (en) * 2016-07-18 2018-12-18 上海集成电路研发中心有限公司 Vacuum leakage self-monitoring devices, preparation method, system and method for self-monitoring

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GB1138401A (en) * 1965-05-06 1969-01-01 Mallory & Co Inc P R Bonding
US4261086A (en) * 1979-09-04 1981-04-14 Ford Motor Company Method for manufacturing variable capacitance pressure transducers
US4386453A (en) * 1979-09-04 1983-06-07 Ford Motor Company Method for manufacturing variable capacitance pressure transducers
DE2938205A1 (en) * 1979-09-21 1981-04-09 Bosch Gmbh Robert Capacitive pressure transducers and evaluation here for
JPS6356935B2 (en) * 1981-09-30 1988-11-09 Hitachi Ltd
US4405970A (en) * 1981-10-13 1983-09-20 United Technologies Corporation Silicon-glass-silicon capacitive pressure transducer
US4384899A (en) * 1981-11-09 1983-05-24 Motorola Inc. Bonding method adaptable for manufacturing capacitive pressure sensing elements
DE3310643C2 (en) * 1983-03-24 1986-04-10 Karlheinz Dr. 7801 Schallstadt De Ziegler
US4467394A (en) * 1983-08-29 1984-08-21 United Technologies Corporation Three plate silicon-glass-silicon capacitive pressure transducer
JPH0481868B2 (en) * 1983-12-27 1992-12-25 Fuji Electric Co Ltd
FI71015C (en) * 1984-02-21 1986-10-27 Vaisala Oy Temperaturoberoende capacitive pressure sensor
FI74350C (en) * 1984-02-21 1988-01-11 Vaisala Oy Capacitive absoluttryckgivare.
FI69211C (en) * 1984-02-21 1985-12-10 Vaisala Oy capacitive styckgivare
US4530029A (en) * 1984-03-12 1985-07-16 United Technologies Corporation Capacitive pressure sensor with low parasitic capacitance

Also Published As

Publication number Publication date
FI843989A (en)
IT8512578D0 (en) 1985-10-09
SE8504703D0 (en) 1985-10-10
FR2571855B1 (en) 1990-11-30
GB8524186D0 (en) 1985-11-06
DE3535904C2 (en) 1996-05-02
GB2165652B (en) 1989-04-05
SE8504703L (en) 1986-04-12
FI843989D0 (en)
NO854029L (en) 1986-04-14
DE3535904A1 (en) 1986-04-17
GB2165652A (en) 1986-04-16
NL8502795A (en) 1986-05-01
FI843989A0 (en) 1984-10-11
US4609966A (en) 1986-09-02
FI843989L (en) 1986-04-12
JPH0533732B2 (en) 1993-05-20
BR8505067A (en) 1986-07-29
JPS61221631A (en) 1986-10-02
FR2571855A1 (en) 1986-04-18
IT1186937B (en) 1987-12-16
FI75426B (en) 1988-02-29
FI75426C (en) 1988-06-09

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