GB1016723A - Piezoelectric transducers and devices using them - Google Patents

Piezoelectric transducers and devices using them

Info

Publication number
GB1016723A
GB1016723A GB39408/62A GB3940862A GB1016723A GB 1016723 A GB1016723 A GB 1016723A GB 39408/62 A GB39408/62 A GB 39408/62A GB 3940862 A GB3940862 A GB 3940862A GB 1016723 A GB1016723 A GB 1016723A
Authority
GB
United Kingdom
Prior art keywords
layer
resistivity
low
piezo
electric
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
GB39408/62A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1016723A publication Critical patent/GB1016723A/en
Expired legal-status Critical Current

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
    • B06B1/0651—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 of circular shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/133—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials for electromechanical delay lines or filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
GB39408/62A 1961-10-24 1962-10-18 Piezoelectric transducers and devices using them Expired GB1016723A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14728361A 1961-10-24 1961-10-24
US208185A US3240962A (en) 1961-10-24 1962-07-03 Piezoelectric transducer

Publications (1)

Publication Number Publication Date
GB1016723A true GB1016723A (en) 1966-01-12

Family

ID=26844782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39408/62A Expired GB1016723A (en) 1961-10-24 1962-10-18 Piezoelectric transducers and devices using them

Country Status (6)

Country Link
US (1) US3240962A (en, 2012)
BE (1) BE623992A (en, 2012)
DE (1) DE1422620B2 (en, 2012)
FR (1) FR1345029A (en, 2012)
GB (1) GB1016723A (en, 2012)
NL (1) NL284622A (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310761A (en) * 1963-06-18 1967-03-21 Joseph B Brauer Tapped microwave acoustic delay line
US3330957A (en) * 1963-09-19 1967-07-11 Russell W Runnels Piezoelectric frequency modulated optical maser
US3414779A (en) * 1965-12-08 1968-12-03 Northern Electric Co Integrated parametric amplifier consisting of a material with both semiconductive and piezoelectric properties
DE1541523B1 (de) * 1965-12-21 1970-07-09 Nippon Electric Co Piezoelektrisches elektroakustisches Wandlerelement und Verfahren zu seiner Herstellung
US3453456A (en) * 1966-10-27 1969-07-01 Trw Inc Ultrasonic transducer
US3422371A (en) * 1967-07-24 1969-01-14 Sanders Associates Inc Thin film piezoelectric oscillator
US3506858A (en) * 1968-04-17 1970-04-14 Us Air Force Piezoelectric shear wave transducer
US3624465A (en) * 1968-06-26 1971-11-30 Rca Corp Heterojunction semiconductor transducer having a region which is piezoelectric
US3639812A (en) * 1968-12-04 1972-02-01 Matsushita Electric Ind Co Ltd Mechanoelectrical transducer having a pressure applying pin fixed by metallic adhesion
JPS497635B1 (en, 2012) * 1968-12-27 1974-02-21
US3792321A (en) * 1971-08-26 1974-02-12 F Seifert Piezoelectric semiconductor devices in which sound energy increases the breakdown voltage and power of capabilities
US3942139A (en) * 1974-11-08 1976-03-02 Westinghouse Electric Corporation Broadband microwave bulk acoustic delay device
US4195244A (en) * 1978-07-26 1980-03-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration CdS Solid state phase insensitive ultrasonic transducer
FR2498405A1 (fr) * 1981-01-16 1982-07-23 Thomson Csf Hydrophone a lame piezoelectrique mince
GB8802506D0 (en) * 1988-02-04 1988-03-02 Am Int Piezo-electric laminate
GB9206943D0 (en) * 1992-03-31 1992-05-13 Ngk Insulators Ltd Ultrasonic transducer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679575A (en) * 1950-01-20 1952-09-17 Standard Telephones Cables Ltd Improvements in or relating to piezo-electric crystal plates
US3018539A (en) * 1956-11-06 1962-01-30 Motorola Inc Diffused base transistor and method of making same
US2925502A (en) * 1956-12-21 1960-02-16 Philips Corp Piezo-electric quartz crystal of elongated shape
FR1193194A (fr) * 1958-03-12 1959-10-30 Perfectionnements aux procédés de fabrication par diffusion des transistors et des redresseurs à jonctions
US3038241A (en) * 1958-12-22 1962-06-12 Sylvania Electric Prod Semiconductor device
US3109758A (en) * 1959-10-26 1963-11-05 Bell Telephone Labor Inc Improved tunnel diode

Also Published As

Publication number Publication date
BE623992A (en, 2012)
NL284622A (en, 2012)
FR1345029A (fr) 1963-12-06
DE1422620B2 (de) 1971-02-18
DE1422620A1 (de) 1968-10-17
US3240962A (en) 1966-03-15

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