JPS5419635A - Elastic surface wave propagation element - Google Patents

Elastic surface wave propagation element

Info

Publication number
JPS5419635A
JPS5419635A JP8424577A JP8424577A JPS5419635A JP S5419635 A JPS5419635 A JP S5419635A JP 8424577 A JP8424577 A JP 8424577A JP 8424577 A JP8424577 A JP 8424577A JP S5419635 A JPS5419635 A JP S5419635A
Authority
JP
Japan
Prior art keywords
wave propagation
surface wave
elastic surface
propagation element
suppressing
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
JP8424577A
Other languages
Japanese (ja)
Inventor
Yoshitsugu Miura
Yoshihiko Noro
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 JP8424577A priority Critical patent/JPS5419635A/en
Publication of JPS5419635A publication Critical patent/JPS5419635A/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 devices; 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

Landscapes

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

Abstract

PURPOSE:To increase the performance of elements, by suppressing the reflection signal from the dummy electrode, through the provision of acoustic absorbing material on an interdigital transducer.
JP8424577A 1977-07-15 1977-07-15 Elastic surface wave propagation element Pending JPS5419635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8424577A JPS5419635A (en) 1977-07-15 1977-07-15 Elastic surface wave propagation element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8424577A JPS5419635A (en) 1977-07-15 1977-07-15 Elastic surface wave propagation element

Publications (1)

Publication Number Publication Date
JPS5419635A true JPS5419635A (en) 1979-02-14

Family

ID=13825065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8424577A Pending JPS5419635A (en) 1977-07-15 1977-07-15 Elastic surface wave propagation element

Country Status (1)

Country Link
JP (1) JPS5419635A (en)

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