JPS56158519A - Elastic surface wave device - Google Patents

Elastic surface wave device

Info

Publication number
JPS56158519A
JPS56158519A JP6238480A JP6238480A JPS56158519A JP S56158519 A JPS56158519 A JP S56158519A JP 6238480 A JP6238480 A JP 6238480A JP 6238480 A JP6238480 A JP 6238480A JP S56158519 A JPS56158519 A JP S56158519A
Authority
JP
Japan
Prior art keywords
electrodes
electrode
unit electrodes
ridges
outermost
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
JP6238480A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0214811B2 (en, 2012
Inventor
Koichi Nishimura
Yutaka Abe
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.)
Maruyasu Industries Co Ltd
Original Assignee
Maruyasu Industries 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 Maruyasu Industries Co Ltd filed Critical Maruyasu Industries Co Ltd
Priority to JP6238480A priority Critical patent/JPS56158519A/ja
Publication of JPS56158519A publication Critical patent/JPS56158519A/ja
Publication of JPH0214811B2 publication Critical patent/JPH0214811B2/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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14573—Arrow type transducers
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14576—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
    • H03H9/14579—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different shape
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP6238480A 1980-05-10 1980-05-10 Elastic surface wave device Granted JPS56158519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6238480A JPS56158519A (en) 1980-05-10 1980-05-10 Elastic surface wave device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6238480A JPS56158519A (en) 1980-05-10 1980-05-10 Elastic surface wave device

Publications (2)

Publication Number Publication Date
JPS56158519A true JPS56158519A (en) 1981-12-07
JPH0214811B2 JPH0214811B2 (en, 2012) 1990-04-10

Family

ID=13198569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6238480A Granted JPS56158519A (en) 1980-05-10 1980-05-10 Elastic surface wave device

Country Status (1)

Country Link
JP (1) JPS56158519A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58190117A (ja) * 1982-04-19 1983-11-07 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 音響表面波装置
JPH036114A (ja) * 1989-06-01 1991-01-11 Mitsubishi Electric Corp 弾性表面波装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58190117A (ja) * 1982-04-19 1983-11-07 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 音響表面波装置
JPH036114A (ja) * 1989-06-01 1991-01-11 Mitsubishi Electric Corp 弾性表面波装置

Also Published As

Publication number Publication date
JPH0214811B2 (en, 2012) 1990-04-10

Similar Documents

Publication Publication Date Title
JPS5525278A (en) 3-terminal type piezoelectric filter
JPS5646318A (en) Surface elastic wave element
HK40783A (en) Elastic surface wave device
GB1529869A (en) Elastic surface wave device
JPS56158519A (en) Elastic surface wave device
JPS55125713A (en) Surface elastic wave device
JPS5773514A (en) Surface acoustic wave filter
JPS5545284A (en) Slip wave crystal vibration device
JPS5541542A (en) Double matrix tablet-type input device
JPS566598A (en) Ultrasonic converting element
FR2412984A1 (fr) Transducteur a ondes acoustiques de surface ameliore
JPS574613A (en) Elastic surface wave device
JPS56138317A (en) Elastic surface wave element
JPS53123051A (en) Filter for surface slip wave
JPS55105425A (en) Elastic surface wave device
JPS5678219A (en) Elastic surface wave device
JPS5715519A (en) Elastic surface wave device
JPS5527769A (en) Elastic surface wave converter
JPS5672515A (en) Elastic surface wave device
JPS5347815A (en) Electro-acoustic converter of piezoelectric type
JPS5549021A (en) Elastic surface-wave unit
JPS53117354A (en) Elastic surface-wave element
JPS5639612A (en) Surface elastic wave device
JPS5216146A (en) Elastic surface wave device
JPS579121A (en) Elastic surface wave device