JPS57186820A - Surface acoustic wave filter element - Google Patents

Surface acoustic wave filter element

Info

Publication number
JPS57186820A
JPS57186820A JP7076381A JP7076381A JPS57186820A JP S57186820 A JPS57186820 A JP S57186820A JP 7076381 A JP7076381 A JP 7076381A JP 7076381 A JP7076381 A JP 7076381A JP S57186820 A JPS57186820 A JP S57186820A
Authority
JP
Japan
Prior art keywords
side edge
electrode
edge part
idt12
painted
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.)
Granted
Application number
JP7076381A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0119291B2 (enrdf_load_stackoverflow
Inventor
Nobuki Yamaji
Yoshihiko Yasuhara
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7076381A priority Critical patent/JPS57186820A/ja
Publication of JPS57186820A publication Critical patent/JPS57186820A/ja
Publication of JPH0119291B2 publication Critical patent/JPH0119291B2/ja
Granted 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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02858—Means for compensation or elimination of undesirable effects of wave front distortion
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP7076381A 1981-05-13 1981-05-13 Surface acoustic wave filter element Granted JPS57186820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7076381A JPS57186820A (en) 1981-05-13 1981-05-13 Surface acoustic wave filter element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7076381A JPS57186820A (en) 1981-05-13 1981-05-13 Surface acoustic wave filter element

Publications (2)

Publication Number Publication Date
JPS57186820A true JPS57186820A (en) 1982-11-17
JPH0119291B2 JPH0119291B2 (enrdf_load_stackoverflow) 1989-04-11

Family

ID=13440868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7076381A Granted JPS57186820A (en) 1981-05-13 1981-05-13 Surface acoustic wave filter element

Country Status (1)

Country Link
JP (1) JPS57186820A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element

Also Published As

Publication number Publication date
JPH0119291B2 (enrdf_load_stackoverflow) 1989-04-11

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