GB995850A - Piezoelectric devices - Google Patents

Piezoelectric devices

Info

Publication number
GB995850A
GB995850A GB34661/61A GB3466161A GB995850A GB 995850 A GB995850 A GB 995850A GB 34661/61 A GB34661/61 A GB 34661/61A GB 3466161 A GB3466161 A GB 3466161A GB 995850 A GB995850 A GB 995850A
Authority
GB
United Kingdom
Prior art keywords
crystal
depletion layer
semi
face
conductive
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
GB34661/61A
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 GB995850A publication Critical patent/GB995850A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/36—Time-delay networks with non-adjustable delay time
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB34661/61A 1960-10-25 1961-09-27 Piezoelectric devices Expired GB995850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64808A US3185935A (en) 1960-10-25 1960-10-25 Piezoelectric transducer

Publications (1)

Publication Number Publication Date
GB995850A true GB995850A (en) 1965-06-23

Family

ID=22058394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34661/61A Expired GB995850A (en) 1960-10-25 1961-09-27 Piezoelectric devices

Country Status (5)

Country Link
US (1) US3185935A (enrdf_load_stackoverflow)
BE (1) BE609136A (enrdf_load_stackoverflow)
DE (1) DE1272388B (enrdf_load_stackoverflow)
GB (1) GB995850A (enrdf_load_stackoverflow)
NL (1) NL269131A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL293438A (enrdf_load_stackoverflow) * 1962-05-31
US3254231A (en) * 1962-07-10 1966-05-31 Philco Corp Frequency changer employing a moving sonic-energy-reflecting boundary in a semiconductor medium
US3283271A (en) * 1963-09-30 1966-11-01 Raytheon Co Notched semiconductor junction strain transducer
US3251009A (en) * 1963-05-28 1966-05-10 Ibm Semiconductor ultrasonic signal-delay apparatus utilizing integral p-n junctions as electromechanical transducers
US3277405A (en) * 1963-09-30 1966-10-04 Raytheon Co Strain filter utilizing semiconductor device in mechanical oscillation
US3370207A (en) * 1964-02-24 1968-02-20 Gen Electric Multilayer contact system for semiconductor devices including gold and copper layers
FR1486264A (enrdf_load_stackoverflow) * 1965-07-08 1967-10-05
US3401449A (en) * 1965-10-24 1968-09-17 Texas Instruments Inc Method of fabricating a metal base transistor
US3414779A (en) * 1965-12-08 1968-12-03 Northern Electric Co Integrated parametric amplifier consisting of a material with both semiconductive and piezoelectric properties
DE1614829C3 (de) * 1967-06-22 1974-04-04 Telefunken Patentverwertungs Gmbh, 7900 Ulm Verfahren zum Herstellen eines Halbleiterbauelementes
US3568103A (en) * 1968-09-06 1971-03-02 Nasa A solid state acoustic variable time delay line
US3652905A (en) * 1970-05-26 1972-03-28 Westinghouse Electric Corp Schottky barrier power rectifier
WO2008013982A1 (en) * 2006-07-28 2008-01-31 California Institute Of Technology Nano electromechanical resonator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553491A (en) * 1950-04-27 1951-05-15 Bell Telephone Labor Inc Acoustic transducer utilizing semiconductors
US2941092A (en) * 1955-10-25 1960-06-14 Philips Corp Pulse delay circuit
US3022472A (en) * 1958-01-22 1962-02-20 Bell Telephone Labor Inc Variable equalizer employing semiconductive element
FR1210880A (fr) * 1958-08-29 1960-03-11 Perfectionnements aux transistors à effet de champ
US3060327A (en) * 1959-07-02 1962-10-23 Bell Telephone Labor Inc Transistor having emitter reversebiased beyond breakdown and collector forward-biased for majority carrier operation

Also Published As

Publication number Publication date
DE1272388B (de) 1968-07-11
US3185935A (en) 1965-05-25
NL269131A (enrdf_load_stackoverflow)
BE609136A (fr) 1962-02-01

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