JPH0246423U - - Google Patents

Info

Publication number
JPH0246423U
JPH0246423U JP12534988U JP12534988U JPH0246423U JP H0246423 U JPH0246423 U JP H0246423U JP 12534988 U JP12534988 U JP 12534988U JP 12534988 U JP12534988 U JP 12534988U JP H0246423 U JPH0246423 U JP H0246423U
Authority
JP
Japan
Prior art keywords
piezoelectric
electrode portion
frequency adjustment
resonator electrode
piezoelectric element
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
JP12534988U
Other languages
English (en)
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 filed Critical
Priority to JP12534988U priority Critical patent/JPH0246423U/ja
Publication of JPH0246423U publication Critical patent/JPH0246423U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す断面図、第2
図は従来の2端子型の圧電フイルタを示す断面図
である。 1…圧電素子、2…圧電基板、3a,3b…共
振子電極部、7a,7b…周波数調整被膜、8a
,8b…振動空間、9…外装樹脂層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 圧電基板に少なくとも共振子電極部が形成され
    た圧電素子と、圧電基板のうち上記共振子電極部
    が形成された面を被覆する周波数調整被膜と、上
    記共振子電極部に対応して、周波数調整被膜と、
    前記圧電素子を外装する外装樹脂層との間に形成
    された振動空間とを有する圧電部品において、上
    記周波数調整被膜の表面が粗面に形成されている
    ことを特徴とする圧電部品。
JP12534988U 1988-09-26 1988-09-26 Pending JPH0246423U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12534988U JPH0246423U (ja) 1988-09-26 1988-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12534988U JPH0246423U (ja) 1988-09-26 1988-09-26

Publications (1)

Publication Number Publication Date
JPH0246423U true JPH0246423U (ja) 1990-03-29

Family

ID=31375878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12534988U Pending JPH0246423U (ja) 1988-09-26 1988-09-26

Country Status (1)

Country Link
JP (1) JPH0246423U (ja)

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