JPS51136263A - Surface elastic wave device - Google Patents

Surface elastic wave device

Info

Publication number
JPS51136263A
JPS51136263A JP5974475A JP5974475A JPS51136263A JP S51136263 A JPS51136263 A JP S51136263A JP 5974475 A JP5974475 A JP 5974475A JP 5974475 A JP5974475 A JP 5974475A JP S51136263 A JPS51136263 A JP S51136263A
Authority
JP
Japan
Prior art keywords
wave device
elastic wave
surface elastic
insertion loss
reduced insertion
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.)
Pending
Application number
JP5974475A
Other languages
Japanese (ja)
Inventor
Yoshihisa Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5974475A priority Critical patent/JPS51136263A/en
Publication of JPS51136263A publication Critical patent/JPS51136263A/en
Pending 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
    • H03H9/64—Filters using surface acoustic waves
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:Optimized surface elastic wave device with reduced insertion loss.
JP5974475A 1975-05-21 1975-05-21 Surface elastic wave device Pending JPS51136263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5974475A JPS51136263A (en) 1975-05-21 1975-05-21 Surface elastic wave device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5974475A JPS51136263A (en) 1975-05-21 1975-05-21 Surface elastic wave device

Publications (1)

Publication Number Publication Date
JPS51136263A true JPS51136263A (en) 1976-11-25

Family

ID=13122033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5974475A Pending JPS51136263A (en) 1975-05-21 1975-05-21 Surface elastic wave device

Country Status (1)

Country Link
JP (1) JPS51136263A (en)

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