DE69738986D1 - Mikrosystem mit flexibler Membran zur Erfassung von Drücken - Google Patents

Mikrosystem mit flexibler Membran zur Erfassung von Drücken

Info

Publication number
DE69738986D1
DE69738986D1 DE69738986T DE69738986T DE69738986D1 DE 69738986 D1 DE69738986 D1 DE 69738986D1 DE 69738986 T DE69738986 T DE 69738986T DE 69738986 T DE69738986 T DE 69738986T DE 69738986 D1 DE69738986 D1 DE 69738986D1
Authority
DE
Germany
Prior art keywords
microsystem
flexible membrane
detecting pressures
pressures
detecting
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 - Lifetime
Application number
DE69738986T
Other languages
English (en)
Inventor
Marie-Therese Delaye
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69738986D1 publication Critical patent/DE69738986D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • 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
    • G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)
  • Micromachines (AREA)
  • Pressure Sensors (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE69738986T 1997-04-17 1998-04-15 Mikrosystem mit flexibler Membran zur Erfassung von Drücken Expired - Lifetime DE69738986D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9704767A FR2762389B1 (fr) 1997-04-17 1997-04-17 Microsysteme a membrane souple pour capteur de pression et procede de realisation

Publications (1)

Publication Number Publication Date
DE69738986D1 true DE69738986D1 (de) 2008-10-23

Family

ID=9506045

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69824782T Expired - Lifetime DE69824782T2 (de) 1997-04-17 1998-04-15 Mikrostruktur mit flexibler Membran zur Druckmessung und Verfahren zu ihrer Herstellung
DE69738986T Expired - Lifetime DE69738986D1 (de) 1997-04-17 1998-04-15 Mikrosystem mit flexibler Membran zur Erfassung von Drücken

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69824782T Expired - Lifetime DE69824782T2 (de) 1997-04-17 1998-04-15 Mikrostruktur mit flexibler Membran zur Druckmessung und Verfahren zu ihrer Herstellung

Country Status (5)

Country Link
US (2) US6431005B1 (de)
EP (2) EP1351044B1 (de)
JP (1) JP4812915B2 (de)
DE (2) DE69824782T2 (de)
FR (1) FR2762389B1 (de)

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JP2002131161A (ja) * 2000-10-27 2002-05-09 Denso Corp 半導体圧力センサ
DE10123627B4 (de) * 2001-05-15 2004-11-04 Robert Bosch Gmbh Sensorvorrichtung zum Erfassen einer mechanischen Deformation eines Bauelementes im Kraftfahrzeugbereich
US6662663B2 (en) * 2002-04-10 2003-12-16 Hewlett-Packard Development Company, L.P. Pressure sensor with two membranes forming a capacitor
US6894328B2 (en) * 2002-08-13 2005-05-17 Newport Fab, Llc Self-aligned bipolar transistor having recessed spacers and method for fabricating same
US7205621B2 (en) * 2003-02-17 2007-04-17 Nippon Telegraph And Telephone Corporation Surface shape recognition sensor
DE10324960B4 (de) * 2003-06-03 2011-08-11 Robert Bosch GmbH, 70469 Kapazitiver Drucksensor
EP1682859A4 (de) * 2003-08-11 2007-08-22 Analog Devices Inc Kapazitiver sensor
US7415886B2 (en) * 2005-12-20 2008-08-26 Rosemount Inc. Pressure sensor with deflectable diaphragm
US7208960B1 (en) * 2006-02-10 2007-04-24 Milliken & Company Printed capacitive sensor
US7395717B2 (en) 2006-02-10 2008-07-08 Milliken & Company Flexible capacitive sensor
US7301351B2 (en) * 2006-02-10 2007-11-27 Milliken & Company Printed capacitive sensor
JP5127210B2 (ja) * 2006-11-30 2013-01-23 株式会社日立製作所 Ｍｅｍｓセンサが混載された半導体装置
US7980145B2 (en) * 2007-12-27 2011-07-19 Y Point Capital, Inc Microelectromechanical capacitive device
US7719007B2 (en) * 2008-04-30 2010-05-18 Milliken & Company Flexible electroluminescent capacitive sensor
JP5409251B2 (ja) * 2008-11-19 2014-02-05 キヤノン株式会社 電気機械変換装置およびその製造方法
US8866347B2 (en) 2010-01-15 2014-10-21 Idex Asa Biometric image sensing
US8791792B2 (en) * 2010-01-15 2014-07-29 Idex Asa Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making
US8421890B2 (en) 2010-01-15 2013-04-16 Picofield Technologies, Inc. Electronic imager using an impedance sensor grid array and method of making
US8471304B2 (en) * 2010-06-04 2013-06-25 Carnegie Mellon University Method, apparatus, and system for micromechanical gas chemical sensing capacitor
US20160302729A1 (en) 2013-12-11 2016-10-20 The Board Of Regents Of The University Of Texas System Devices and methods for parameter measurement
US10309252B2 (en) 2015-12-16 2019-06-04 General Electric Company System and method for cooling turbine shroud trailing edge
US10378380B2 (en) 2015-12-16 2019-08-13 General Electric Company Segmented micro-channel for improved flow
CN109069033B (zh) 2016-02-03 2023-08-29 哈钦森技术股份有限公司 具有集成引线的微型压力/力传感器
US11243125B2 (en) 2017-02-09 2022-02-08 Nextinput, Inc. Integrated piezoresistive and piezoelectric fusion force sensor
US11255737B2 (en) 2017-02-09 2022-02-22 Nextinput, Inc. Integrated digital force sensors and related methods of manufacture
WO2019023309A1 (en) 2017-07-25 2019-01-31 Nextinput, Inc. FORCE SENSOR AND INTEGRATED FINGERPRINTS
US11243126B2 (en) 2017-07-27 2022-02-08 Nextinput, Inc. Wafer bonded piezoresistive and piezoelectric force sensor and related methods of manufacture
WO2019079420A1 (en) 2017-10-17 2019-04-25 Nextinput, Inc. SHIFT TEMPERATURE COEFFICIENT COMPENSATION FOR FORCE SENSOR AND STRAIN GAUGE
US11874185B2 (en) 2017-11-16 2024-01-16 Nextinput, Inc. Force attenuator for force sensor
WO2020072904A1 (en) 2018-10-05 2020-04-09 Knowles Electronics, Llc Acoustic transducers with a low pressure zone and diaphragms having enhanced compliance
WO2020072938A1 (en) 2018-10-05 2020-04-09 Knowles Electronics, Llc Methods of forming mems diaphragms including corrugations
DE112019004970T5 (de) 2018-10-05 2021-06-24 Knowles Electronics, Llc Mikrofonvorrichtung mit Eindringschutz
CN112351158B (zh) * 2019-08-06 2022-12-09 中芯集成电路（宁波）有限公司 成像模组及其形成方法、镜头组件
US11528546B2 (en) 2021-04-05 2022-12-13 Knowles Electronics, Llc Sealed vacuum MEMS die
US11540048B2 (en) 2021-04-16 2022-12-27 Knowles Electronics, Llc Reduced noise MEMS device with force feedback
US11649161B2 (en) 2021-07-26 2023-05-16 Knowles Electronics, Llc Diaphragm assembly with non-uniform pillar distribution
US11772961B2 (en) 2021-08-26 2023-10-03 Knowles Electronics, Llc MEMS device with perimeter barometric relief pierce
US11780726B2 (en) 2021-11-03 2023-10-10 Knowles Electronics, Llc Dual-diaphragm assembly having center constraint

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EP0351791B1 (de) * 1988-07-20 1996-06-19 Casio Computer Company Limited Automatischer Wählapparat
DE3901492A1 (de) * 1988-07-22 1990-01-25 Endress Hauser Gmbh Co Drucksensor und verfahren zu seiner herstellung
JPH02275603A (ja) * 1988-12-29 1990-11-09 Yokohama Rubber Co Ltd:The 可変抵抗器及びこれを用いたセンサ
US5095401A (en) * 1989-01-13 1992-03-10 Kopin Corporation SOI diaphragm sensor
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JPH04278462A (ja) * 1991-03-07 1992-10-05 Nec Corp 半導体加速度センサ
US5291534A (en) * 1991-06-22 1994-03-01 Toyoda Koki Kabushiki Kaisha Capacitive sensing device
JP2896725B2 (ja) * 1991-12-26 1999-05-31 株式会社山武 静電容量式圧力センサ
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DE4236133C1 (de) * 1992-10-26 1994-03-10 Siemens Ag Sensoranordnung zur Erfassung von Fingerabdrücken und Verfahren zu deren Herstellung
FR2700003B1 (fr) 1992-12-28 1995-02-10 Commissariat Energie Atomique Procédé de fabrication d'un capteur de pression utilisant la technologie silicium sur isolant et capteur obtenu.
US5316619A (en) * 1993-02-05 1994-05-31 Ford Motor Company Capacitive surface micromachine absolute pressure sensor and method for processing
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US5369544A (en) * 1993-04-05 1994-11-29 Ford Motor Company Silicon-on-insulator capacitive surface micromachined absolute pressure sensor
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JP3593712B2 (ja) * 1994-03-17 2004-11-24 日産自動車株式会社 半導体装置およびその製造方法
JPH0815300A (ja) * 1994-06-29 1996-01-19 Takata Kk 衝突検出センサ
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JPH08285884A (ja) * 1995-04-11 1996-11-01 Rohm Co Ltd 半導体容量式加速度センサ
US5573679A (en) * 1995-06-19 1996-11-12 Alberta Microelectronic Centre Fabrication of a surface micromachined capacitive microphone using a dry-etch process
FR2739977B1 (fr) * 1995-10-17 1998-01-23 France Telecom Capteur monolithique d'empreintes digitales

Also Published As

Publication number Publication date
FR2762389A1 (fr) 1998-10-23
FR2762389B1 (fr) 1999-05-21
EP1351044B1 (de) 2008-09-10
US20010009112A1 (en) 2001-07-26
DE69824782D1 (de) 2004-08-05
JPH10300610A (ja) 1998-11-13
JP4812915B2 (ja) 2011-11-09
EP0872720B1 (de) 2004-06-30
EP0872720A1 (de) 1998-10-21
EP1351044A1 (de) 2003-10-08
US6431005B1 (en) 2002-08-13
DE69824782T2 (de) 2005-06-30
EP1351044A8 (de) 2003-12-17
US6435033B2 (en) 2002-08-20

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Legal Events

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