JPS6126247B2 - - Google Patents

Info

Publication number
JPS6126247B2
JPS6126247B2 JP916584A JP916584A JPS6126247B2 JP S6126247 B2 JPS6126247 B2 JP S6126247B2 JP 916584 A JP916584 A JP 916584A JP 916584 A JP916584 A JP 916584A JP S6126247 B2 JPS6126247 B2 JP S6126247B2
Authority
JP
Japan
Prior art keywords
surface wave
electrode
unnecessary
waves
electrodes
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
Application number
JP916584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59139714A (ja
Inventor
Tomosaburo Kitamura
Hiroshi Yamanoi
Yasutoshi Komatsu
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP916584A priority Critical patent/JPS59139714A/ja
Publication of JPS59139714A publication Critical patent/JPS59139714A/ja
Publication of JPS6126247B2 publication Critical patent/JPS6126247B2/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
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
    • 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
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • 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
    • H03H9/14526—Finger withdrawal

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP916584A 1984-01-20 1984-01-20 表面波素子 Granted JPS59139714A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP916584A JPS59139714A (ja) 1984-01-20 1984-01-20 表面波素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP916584A JPS59139714A (ja) 1984-01-20 1984-01-20 表面波素子

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP14887575A Division JPS5931246B2 (ja) 1975-12-12 1975-12-12 ヒヨウメンハソシ

Publications (2)

Publication Number Publication Date
JPS59139714A JPS59139714A (ja) 1984-08-10
JPS6126247B2 true JPS6126247B2 (en]) 1986-06-19

Family

ID=11712998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP916584A Granted JPS59139714A (ja) 1984-01-20 1984-01-20 表面波素子

Country Status (1)

Country Link
JP (1) JPS59139714A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE113425T1 (de) * 1989-11-14 1994-11-15 Siemens Ag Oberflächenwellen-reflektorfilter.
US9077312B1 (en) * 2014-07-25 2015-07-07 Resonant Inc. High rejection surface acoustic wave filter

Also Published As

Publication number Publication date
JPS59139714A (ja) 1984-08-10

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