AU497180B2 - Surface acoustic wave coupler - Google Patents

Surface acoustic wave coupler

Info

Publication number
AU497180B2
AU497180B2 AU85614/75A AU8561475A AU497180B2 AU 497180 B2 AU497180 B2 AU 497180B2 AU 85614/75 A AU85614/75 A AU 85614/75A AU 8561475 A AU8561475 A AU 8561475A AU 497180 B2 AU497180 B2 AU 497180B2
Authority
AU
Australia
Prior art keywords
acoustic wave
surface acoustic
wave coupler
coupler
wave
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
AU85614/75A
Other versions
AU8561475A (en
Inventor
S. W. & Radcliffe S. N Munley
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia 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 Amalgamated Wireless Australasia Ltd filed Critical Amalgamated Wireless Australasia Ltd
Publication of AU8561475A publication Critical patent/AU8561475A/en
Application granted granted Critical
Publication of AU497180B2 publication Critical patent/AU497180B2/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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges
    • 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
    • H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
    • 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
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AU85614/75A 1974-11-30 1975-10-10 Surface acoustic wave coupler Expired AU497180B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB51938/74 1974-11-30
GB5193874A GB1492766A (en) 1974-11-30 1974-11-30 Surface acoustic wave couplers

Publications (2)

Publication Number Publication Date
AU8561475A AU8561475A (en) 1977-04-21
AU497180B2 true AU497180B2 (en) 1978-12-07

Family

ID=10462036

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85614/75A Expired AU497180B2 (en) 1974-11-30 1975-10-10 Surface acoustic wave coupler

Country Status (2)

Country Link
AU (1) AU497180B2 (en)
GB (1) GB1492766A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU945951A1 (en) * 1979-03-21 1982-07-23 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Filter on surface acoustic waves
US4369390A (en) * 1981-01-30 1983-01-18 Texas Instruments Incorporated Symmetric beam width compression multistrip coupler
DE3273931D1 (en) * 1981-05-29 1986-11-27 Siemens Ag Dispersive delay line as a pulse compression filter
EP0098661B1 (en) * 1982-07-05 1989-09-13 Philips Electronics Uk Limited Acoustic surface wave device including a reflective multistrip coupler
GB2123636A (en) * 1982-07-05 1984-02-01 Philips Electronic Associated Acoustic surface wave device including a reflective multistrip coupler
GB2162396A (en) * 1984-07-25 1986-01-29 Philips Electronic Associated Surface-propagating acoustic wave device
US5270606A (en) * 1991-07-22 1993-12-14 Motorola, Inc. Processing robust acoustic reflectors
US5220234A (en) * 1992-03-02 1993-06-15 Hewlett-Packard Company Shear transverse wave device having selective trapping of wave energy

Also Published As

Publication number Publication date
AU8561475A (en) 1977-04-21
GB1492766A (en) 1977-11-23

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