JPH0247887B2 - - Google Patents

Info

Publication number
JPH0247887B2
JPH0247887B2 JP57015980A JP1598082A JPH0247887B2 JP H0247887 B2 JPH0247887 B2 JP H0247887B2 JP 57015980 A JP57015980 A JP 57015980A JP 1598082 A JP1598082 A JP 1598082A JP H0247887 B2 JPH0247887 B2 JP H0247887B2
Authority
JP
Japan
Prior art keywords
electrode
chirp
surface acoustic
acoustic wave
waves
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
JP57015980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58145214A (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 JP1598082A priority Critical patent/JPS58145214A/ja
Publication of JPS58145214A publication Critical patent/JPS58145214A/ja
Publication of JPH0247887B2 publication Critical patent/JPH0247887B2/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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14508—Polyphase SAW 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
    • 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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505—Unidirectional SAW 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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14514—Broad band transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP1598082A 1982-02-03 1982-02-03 弾性表面波装置 Granted JPS58145214A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1598082A JPS58145214A (ja) 1982-02-03 1982-02-03 弾性表面波装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1598082A JPS58145214A (ja) 1982-02-03 1982-02-03 弾性表面波装置

Publications (2)

Publication Number Publication Date
JPS58145214A JPS58145214A (ja) 1983-08-30
JPH0247887B2 true JPH0247887B2 (en]) 1990-10-23

Family

ID=11903827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1598082A Granted JPS58145214A (ja) 1982-02-03 1982-02-03 弾性表面波装置

Country Status (1)

Country Link
JP (1) JPS58145214A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5028831A (en) * 1990-04-04 1991-07-02 Motorola, Inc. SAW reflectionless quarter-wavelength transducers
US5162689A (en) * 1991-05-01 1992-11-10 Motorola, Inc. Single-phase uni-directional acoustic wave transducer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55154815A (en) * 1979-05-21 1980-12-02 Matsushita Electric Ind Co Ltd Elastic surface wave filter

Also Published As

Publication number Publication date
JPS58145214A (ja) 1983-08-30

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