CH278746A - Procédé pour la fabrication d'une matière piézo-électrique composée et matière piézo-électrique composée obtenue par ce procédé. - Google Patents

Procédé pour la fabrication d'une matière piézo-électrique composée et matière piézo-électrique composée obtenue par ce procédé.

Info

Publication number
CH278746A
CH278746A CH278746DA CH278746A CH 278746 A CH278746 A CH 278746A CH 278746D A CH278746D A CH 278746DA CH 278746 A CH278746 A CH 278746A
Authority
CH
Switzerland
Prior art keywords
compound material
piezoelectric compound
manufacture
piezoelectric
material obtained
Prior art date
Application number
Other languages
English (en)
Inventor
Inc Technical Assets
Original Assignee
Inc Technical Assets
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 claimed from US483514A external-priority patent/US2420864A/en
Application filed by Inc Technical Assets filed Critical Inc Technical Assets
Publication of CH278746A publication Critical patent/CH278746A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0674—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a low impedance backing, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/092—Forming composite materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/852—Composite materials, e.g. having 1-3 or 2-2 type connectivity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CH278746D 1943-04-17 1948-02-27 Procédé pour la fabrication d'une matière piézo-électrique composée et matière piézo-électrique composée obtenue par ce procédé. CH278746A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US483514A US2420864A (en) 1943-04-17 1943-04-17 Piezoelectric plastic material and method of making same
US503785A US2434143A (en) 1943-04-17 1943-09-25 Supersonic signal transmitter and receiver

Publications (1)

Publication Number Publication Date
CH278746A true CH278746A (fr) 1951-10-31

Family

ID=27047682

Family Applications (1)

Application Number Title Priority Date Filing Date
CH278746D CH278746A (fr) 1943-04-17 1948-02-27 Procédé pour la fabrication d'une matière piézo-électrique composée et matière piézo-électrique composée obtenue par ce procédé.

Country Status (4)

Country Link
US (1) US2434143A (fr)
CH (1) CH278746A (fr)
FR (1) FR944718A (fr)
GB (1) GB665451A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011738A1 (fr) * 1988-05-26 1989-11-30 Plessey Overseas Limited Ameliorations apportees a des composites piezo-electriques

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518883A (en) * 1947-08-29 1950-08-15 Brush Dev Co Means for and method of moistureproofing a piezoelectric crystal element
US2636134A (en) * 1947-10-01 1953-04-21 Arnold B Arons Piezoelectric pressure gauge element
US2746291A (en) * 1950-09-08 1956-05-22 Robert C Swengel Fluid velocity measuring system
NL83008C (fr) * 1951-04-28
US2688121A (en) * 1951-11-03 1954-08-31 Andersen Lab Inc Ultrasonic delay line
US2748369A (en) * 1951-12-07 1956-05-29 Birmingham Small Arms Co Ltd Transducer
DE965542C (de) * 1952-09-27 1957-06-13 Siemens Ag Piezoelektrischer Schwinger aus Keramik
US2875352A (en) * 1953-03-04 1959-02-24 Gulton Ind Inc Blast gauge
US2961635A (en) * 1956-11-09 1960-11-22 Winfield J Trott Low-frequency underwater sound flexure mode ring drive transducer
US3202962A (en) * 1959-09-03 1965-08-24 Honeywell Inc Transducer
US3321648A (en) * 1964-06-04 1967-05-23 Sonus Corp Piezoelectric filter element
US3443170A (en) * 1968-02-09 1969-05-06 Charles F Pulvari Ohmic contact to a substrate of insulating material having a doped semiconductive oxide providing a stepped energy gap
US3562451A (en) * 1968-06-11 1971-02-09 Us Navy Microphone and headset for underwater swimmer
US3555311A (en) * 1969-01-23 1971-01-12 Marquardt Corp High pressure piezoelectric transducer
FR2145099A5 (fr) * 1971-07-08 1973-02-16 Inst Francais Du Petrole
DE2315767C3 (de) * 1973-03-29 1975-09-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung eines piezoelektrischen Körpers
DE2914031C2 (de) * 1979-04-06 1981-01-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultraschallwandler
JPS5920234B2 (ja) * 1979-09-27 1984-05-11 沖電気工業株式会社 超音波送受波器
US4326155A (en) * 1980-06-03 1982-04-20 Griebeler Elmer L Shockwave probe
GB9108490D0 (en) * 1991-04-20 1991-06-05 Jones Richard W Device for acoustic wave generation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR502913A (fr) * 1917-05-19 1920-05-29 Constantin Chilowsky Procédés et appareils pour la production de signaux sous-marins dirigés et pour la localisation à distance d'obstacles sous-marins
US1830328A (en) * 1926-12-20 1931-11-03 Fed Telegraph Co Cast piezo-electric device
US1788405A (en) * 1927-01-11 1931-01-13 Fed Telegraph Co Composite piezo-electric acoustic device
DE476506C (de) * 1928-04-18 1929-05-22 Siemens & Halske Akt Ges Verfahren zur Herstellung von piezoelektrischen Koerpern
US2009451A (en) * 1931-01-17 1935-07-30 Submarine Signal Co Towing device
US2105010A (en) * 1933-02-25 1938-01-11 Brush Dev Co Piezoelectric device
US2086891A (en) * 1934-10-23 1937-07-13 Bachmann Jakob August Method of treatment for fermented and distilled beverages and the like
US2233992A (en) * 1938-01-03 1941-03-04 Gulf Research Development Co Method of and apparatus for surveying wells
GB527562A (en) * 1938-05-25 1940-10-11 Reimar Pohlman Improvements in or relating to massage apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011738A1 (fr) * 1988-05-26 1989-11-30 Plessey Overseas Limited Ameliorations apportees a des composites piezo-electriques

Also Published As

Publication number Publication date
GB665451A (en) 1952-01-23
FR944718A (fr) 1949-04-13
US2434143A (en) 1948-01-06

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