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GB2106346B - Improvements in or relating to piezoelectric transducers - Google Patents

Improvements in or relating to piezoelectric transducers

Info

Publication number
GB2106346B
GB2106346B GB08124990A GB8124990A GB2106346B GB 2106346 B GB2106346 B GB 2106346B GB 08124990 A GB08124990 A GB 08124990A GB 8124990 A GB8124990 A GB 8124990A GB 2106346 B GB2106346 B GB 2106346B
Authority
GB
United Kingdom
Prior art keywords
relating
piezoelectric transducers
transducers
piezoelectric
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
GB08124990A
Other versions
GB2106346A (en
Inventor
Graig Stewart
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08124990A priority Critical patent/GB2106346B/en
Publication of GB2106346A publication Critical patent/GB2106346A/en
Application granted granted Critical
Publication of GB2106346B publication Critical patent/GB2106346B/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
    • B06B1/0607—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 multiple elements
    • B06B1/0622—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 multiple elements on one surface
    • B06B1/0629—Square array
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02653—Grooves or arrays buried in the substrate
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB08124990A 1981-08-15 1981-08-15 Improvements in or relating to piezoelectric transducers Expired GB2106346B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08124990A GB2106346B (en) 1981-08-15 1981-08-15 Improvements in or relating to piezoelectric transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08124990A GB2106346B (en) 1981-08-15 1981-08-15 Improvements in or relating to piezoelectric transducers

Publications (2)

Publication Number Publication Date
GB2106346A GB2106346A (en) 1983-04-07
GB2106346B true GB2106346B (en) 1985-07-31

Family

ID=10523973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08124990A Expired GB2106346B (en) 1981-08-15 1981-08-15 Improvements in or relating to piezoelectric transducers

Country Status (1)

Country Link
GB (1) GB2106346B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815054A (en) * 1997-05-27 1998-09-29 Motorola Inc. Surface micromachined acoustic wave piezoelectric crystal with electrodes on raised ridges and in spaces therebetween
FR2779290B1 (en) * 1998-05-29 2000-08-18 Thomson Csf LOW GAP SURFACE ACOUSTIC WAVE TRANSDUCER
FR2779289B1 (en) * 1998-05-29 2000-09-01 Thomson Csf SOUND UNIDIRECTIONAL TRANSDUCER WITH SURFACE ACOUSTIC WAVES
TW573375B (en) * 2001-12-17 2004-01-21 Intel Corp Film bulk acoustic resonator structure and method of making
US6822535B2 (en) * 2001-12-17 2004-11-23 Intel Corporation Film bulk acoustic resonator structure and method of making
US11316495B2 (en) * 2017-11-15 2022-04-26 Huawei Technologies Co., Ltd. Surface acoustic wave device

Also Published As

Publication number Publication date
GB2106346A (en) 1983-04-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee