JPS5258342A - Surface wave filter - Google Patents

Surface wave filter

Info

Publication number
JPS5258342A
JPS5258342A JP13395975A JP13395975A JPS5258342A JP S5258342 A JPS5258342 A JP S5258342A JP 13395975 A JP13395975 A JP 13395975A JP 13395975 A JP13395975 A JP 13395975A JP S5258342 A JPS5258342 A JP S5258342A
Authority
JP
Japan
Prior art keywords
wave filter
surface wave
electrodes
capacitance
keep
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.)
Pending
Application number
JP13395975A
Other languages
Japanese (ja)
Inventor
Nobuki Yamaji
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 JP13395975A priority Critical patent/JPS5258342A/en
Publication of JPS5258342A publication Critical patent/JPS5258342A/en
Pending 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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To reduce the affect due to capacitance between electrodes or stray capacitance by providing the conductor layer on the insulating layer covering the comb type input and output electrodes, and to improve and keep a long time for the performance.
JP13395975A 1975-11-10 1975-11-10 Surface wave filter Pending JPS5258342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13395975A JPS5258342A (en) 1975-11-10 1975-11-10 Surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13395975A JPS5258342A (en) 1975-11-10 1975-11-10 Surface wave filter

Publications (1)

Publication Number Publication Date
JPS5258342A true JPS5258342A (en) 1977-05-13

Family

ID=15117069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13395975A Pending JPS5258342A (en) 1975-11-10 1975-11-10 Surface wave filter

Country Status (1)

Country Link
JP (1) JPS5258342A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162819A (en) * 1981-04-01 1982-10-06 Toshiba Corp Surface acoustic wave filter
US4521711A (en) * 1982-04-14 1985-06-04 Clarion Co., Ltd. Unidirectional transducer for a surface-acoustic-wave device and a method of making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162819A (en) * 1981-04-01 1982-10-06 Toshiba Corp Surface acoustic wave filter
US4521711A (en) * 1982-04-14 1985-06-04 Clarion Co., Ltd. Unidirectional transducer for a surface-acoustic-wave device and a method of making same

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