JPS5437660A - Elastic surface wave element - Google Patents

Elastic surface wave element

Info

Publication number
JPS5437660A
JPS5437660A JP10520177A JP10520177A JPS5437660A JP S5437660 A JPS5437660 A JP S5437660A JP 10520177 A JP10520177 A JP 10520177A JP 10520177 A JP10520177 A JP 10520177A JP S5437660 A JPS5437660 A JP S5437660A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
wave element
edge
coarse part
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
JP10520177A
Other languages
Japanese (ja)
Inventor
Kenzo Ochi
Osamu Yamazaki
Kiyotaka Wasa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10520177A priority Critical patent/JPS5437660A/en
Publication of JPS5437660A publication Critical patent/JPS5437660A/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6496—Reducing ripple in transfer characteristic
    • 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
    • H03H9/02881—Means for compensation or elimination of undesirable effects of diffraction of wave beam

Landscapes

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

Abstract

PURPOSE:To improve the performnace of element and to increase the working efficiency, by reducing the ripple component caused by reflection from the coarse part to the edge through the provision of the coarse part at the edge of elastic surface wave element.
JP10520177A 1977-08-31 1977-08-31 Elastic surface wave element Pending JPS5437660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10520177A JPS5437660A (en) 1977-08-31 1977-08-31 Elastic surface wave element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10520177A JPS5437660A (en) 1977-08-31 1977-08-31 Elastic surface wave element

Publications (1)

Publication Number Publication Date
JPS5437660A true JPS5437660A (en) 1979-03-20

Family

ID=14401042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10520177A Pending JPS5437660A (en) 1977-08-31 1977-08-31 Elastic surface wave element

Country Status (1)

Country Link
JP (1) JPS5437660A (en)

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