CA1094229A - Traduction non-disponible - Google Patents

Traduction non-disponible

Info

Publication number
CA1094229A
CA1094229A CA290,160A CA290160A CA1094229A CA 1094229 A CA1094229 A CA 1094229A CA 290160 A CA290160 A CA 290160A CA 1094229 A CA1094229 A CA 1094229A
Authority
CA
Canada
Prior art keywords
diaphragm
electrode
layer
silicon
resonant circuit
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
CA290,160A
Other languages
English (en)
Inventor
Henry Guckel
Steven T. Larsen
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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 Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Application granted granted Critical
Publication of CA1094229A publication Critical patent/CA1094229A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/84Types of semiconductor device ; Multistep manufacturing processes therefor controllable by variation of applied mechanical force, e.g. of pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15CFLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C5/00Manufacture of fluid circuit elements; Manufacture of assemblages of such elements integrated circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/08Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
    • G01L7/086Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type with optical transmitting or indicating means
    • 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
    • G01L9/0073Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pressure Sensors (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CA290,160A 1976-11-08 1977-11-03 Traduction non-disponible Expired CA1094229A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73958376A 1976-11-08 1976-11-08
US739,583 1985-05-30

Publications (1)

Publication Number Publication Date
CA1094229A true CA1094229A (fr) 1981-01-20

Family

ID=24972956

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290,160A Expired CA1094229A (fr) 1976-11-08 1977-11-03 Traduction non-disponible

Country Status (4)

Country Link
JP (1) JPS5363880A (fr)
CA (1) CA1094229A (fr)
DE (1) DE2749937A1 (fr)
GB (1) GB1591948A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533795A (en) * 1983-07-07 1985-08-06 American Telephone And Telegraph Integrated electroacoustic transducer
US4679434A (en) * 1985-07-25 1987-07-14 Litton Systems, Inc. Integrated force balanced accelerometer
GB8718639D0 (en) * 1987-08-06 1987-09-09 Spectrol Reliance Ltd Capacitive pressure sensors
JPH07104217B2 (ja) * 1988-05-27 1995-11-13 横河電機株式会社 振動式トランスデューサとその製造方法
DE19547184A1 (de) * 1995-12-16 1997-06-19 Bosch Gmbh Robert Kraftsensor
WO1998025115A1 (fr) * 1996-12-04 1998-06-11 Siemens Aktiengesellschaft Composant micromecanique d'enregistrement d'empreintes digitales
FR2864634B1 (fr) * 2003-12-26 2006-02-24 Commissariat Energie Atomique Composants optiques et leur procede de realisation
US7825484B2 (en) * 2005-04-25 2010-11-02 Analog Devices, Inc. Micromachined microphone and multisensor and method for producing same

Also Published As

Publication number Publication date
DE2749937A1 (de) 1978-05-11
GB1591948A (en) 1981-07-01
JPS5363880A (en) 1978-06-07

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Legal Events

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