JPH0417692U - - Google Patents

Info

Publication number
JPH0417692U
JPH0417692U JP1990056748U JP5674890U JPH0417692U JP H0417692 U JPH0417692 U JP H0417692U JP 1990056748 U JP1990056748 U JP 1990056748U JP 5674890 U JP5674890 U JP 5674890U JP H0417692 U JPH0417692 U JP H0417692U
Authority
JP
Japan
Prior art keywords
expansion coefficient
laminated piezoelectric
piezoelectric actuator
actuator
dielectric film
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
JP1990056748U
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 JP1990056748U priority Critical patent/JPH0417692U/ja
Publication of JPH0417692U publication Critical patent/JPH0417692U/ja
Pending legal-status Critical Current

Links

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Description

【図面の簡単な説明】
第1図は本考案の積層圧電アクチユエータの第
1の実施例の縦断面図、第2図1,2はそれぞれ
本考案の積層圧電アクチユエータの第2の実施例
の平面図、縦断面図、第3図は従来例の縦断面図
である。 1……誘電体膜、2……内部電極層、3……絶
縁膜、4……外部電極、5……リード線、6……
変位面、7……エポキシ樹脂、8,8……金
属ブロツク、9……取付穴、10……半田。

Claims (1)

    【実用新案登録請求の範囲】
  1. 積層圧電アクチユエータにおいて、積層圧電ア
    クチユエータ素子の変位面に、圧電性誘電体膜の
    負の膨張係数を打消すような、正の膨張係数を持
    つ金属ブロツクが接続されていることを特徴とす
    る積層圧電アクチユエータ。
JP1990056748U 1990-05-30 1990-05-30 Pending JPH0417692U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990056748U JPH0417692U (ja) 1990-05-30 1990-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990056748U JPH0417692U (ja) 1990-05-30 1990-05-30

Publications (1)

Publication Number Publication Date
JPH0417692U true JPH0417692U (ja) 1992-02-13

Family

ID=31580851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990056748U Pending JPH0417692U (ja) 1990-05-30 1990-05-30

Country Status (1)

Country Link
JP (1) JPH0417692U (ja)

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