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JPS5258341A - Surface wave filter - Google Patents

Surface wave filter

Info

Publication number
JPS5258341A
JPS5258341A JP13395875A JP13395875A JPS5258341A JP S5258341 A JPS5258341 A JP S5258341A JP 13395875 A JP13395875 A JP 13395875A JP 13395875 A JP13395875 A JP 13395875A JP S5258341 A JPS5258341 A JP S5258341A
Authority
JP
Japan
Prior art keywords
wave filter
surface wave
decrease
providing
coat layer
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
JP13395875A
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 JP13395875A priority Critical patent/JPS5258341A/en
Publication of JPS5258341A publication Critical patent/JPS5258341A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03H3/10—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 for obtaining desired frequency or temperature coefficient

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 decrease the faults due to open wire by providing the insulating coat layer on the comb type electrodes, and to make possible for the fine tuning of the frequency response of a surface wave filter.
JP13395875A 1975-11-10 1975-11-10 Surface wave filter Pending JPS5258341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13395875A JPS5258341A (en) 1975-11-10 1975-11-10 Surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13395875A JPS5258341A (en) 1975-11-10 1975-11-10 Surface wave filter

Publications (1)

Publication Number Publication Date
JPS5258341A true JPS5258341A (en) 1977-05-13

Family

ID=15117044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13395875A Pending JPS5258341A (en) 1975-11-10 1975-11-10 Surface wave filter

Country Status (1)

Country Link
JP (1) JPS5258341A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158896A (en) * 1978-05-09 1979-12-15 Philips Nv Piezooelectric device and method of fabricating same
JPS55157224U (en) * 1979-04-26 1980-11-12
JPS57185225U (en) * 1981-05-21 1982-11-25
JPS60149214A (en) * 1984-01-17 1985-08-06 Hitachi Ltd Electrode of surface acoustic wave element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158896A (en) * 1978-05-09 1979-12-15 Philips Nv Piezooelectric device and method of fabricating same
JPS6327885B2 (en) * 1978-05-09 1988-06-06 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPS55157224U (en) * 1979-04-26 1980-11-12
JPS57185225U (en) * 1981-05-21 1982-11-25
JPS60149214A (en) * 1984-01-17 1985-08-06 Hitachi Ltd Electrode of surface acoustic wave element

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