JPH0338769B2 - - Google Patents

Info

Publication number
JPH0338769B2
JPH0338769B2 JP57015310A JP1531082A JPH0338769B2 JP H0338769 B2 JPH0338769 B2 JP H0338769B2 JP 57015310 A JP57015310 A JP 57015310A JP 1531082 A JP1531082 A JP 1531082A JP H0338769 B2 JPH0338769 B2 JP H0338769B2
Authority
JP
Japan
Prior art keywords
electrode
comb
shaped
fingers
dielectric film
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.)
Expired - Lifetime
Application number
JP57015310A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58145213A (ja
Inventor
Takeshi Okamoto
Shoichi Minagawa
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP1531082A priority Critical patent/JPS58145213A/ja
Publication of JPS58145213A publication Critical patent/JPS58145213A/ja
Publication of JPH0338769B2 publication Critical patent/JPH0338769B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505Unidirectional SAW transducers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14508Polyphase SAW transducers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14514Broad band transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP1531082A 1982-02-01 1982-02-01 弾性表面波装置 Granted JPS58145213A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1531082A JPS58145213A (ja) 1982-02-01 1982-02-01 弾性表面波装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1531082A JPS58145213A (ja) 1982-02-01 1982-02-01 弾性表面波装置

Publications (2)

Publication Number Publication Date
JPS58145213A JPS58145213A (ja) 1983-08-30
JPH0338769B2 true JPH0338769B2 (en]) 1991-06-11

Family

ID=11885208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1531082A Granted JPS58145213A (ja) 1982-02-01 1982-02-01 弾性表面波装置

Country Status (1)

Country Link
JP (1) JPS58145213A (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738018A (en) * 1980-08-18 1982-03-02 Fujitsu General Ltd Unidirectional saw energizing device

Also Published As

Publication number Publication date
JPS58145213A (ja) 1983-08-30

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