JPS6439664U - - Google Patents

Info

Publication number
JPS6439664U
JPS6439664U JP13321487U JP13321487U JPS6439664U JP S6439664 U JPS6439664 U JP S6439664U JP 13321487 U JP13321487 U JP 13321487U JP 13321487 U JP13321487 U JP 13321487U JP S6439664 U JPS6439664 U JP S6439664U
Authority
JP
Japan
Prior art keywords
actuator element
piezoelectric actuator
voltage
metal casing
electrode
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
JP13321487U
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 JP13321487U priority Critical patent/JPS6439664U/ja
Publication of JPS6439664U publication Critical patent/JPS6439664U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Details Of Measuring And Other Instruments (AREA)

Description

【図面の簡単な説明】
第1図は本考案の1実施例の構成を示す縦断面
図、第2図は本考案の第2の実施例の構成を示す
縦断面図、第3図は従来の圧電アクチユエータの
構成を示す構成図である。 11,11,〜11n……圧電体、12
,12,〜12……電極体、13,14
……電極接続部、17……コーテイング体、20
……圧電アクチユエータ素子、23……キヤツプ
、35……ベローズ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複数個の薄い圧電体とこれ等の圧電体の間に積
    層された複数個の電極体とを有しこれ等の電極体
    が互いに1個おきに接続されて引き出された一対
    の電極に電圧を印加することにより伸縮する圧電
    アクチユエータ素子と、この圧電アクチユエータ
    素子の両端を固着しその一端が前記電圧の印加に
    より変位可能で前記圧電アクチユエータ素子を密
    封するように囲まれた金属筐体と、前記電極から
    のリード線が機密を保つて貫通する前記金属筐体
    の一部に設けられた気密手段とを具備することを
    特徴とする圧電アクチユエータ。
JP13321487U 1987-09-02 1987-09-02 Pending JPS6439664U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13321487U JPS6439664U (ja) 1987-09-02 1987-09-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13321487U JPS6439664U (ja) 1987-09-02 1987-09-02

Publications (1)

Publication Number Publication Date
JPS6439664U true JPS6439664U (ja) 1989-03-09

Family

ID=31390872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13321487U Pending JPS6439664U (ja) 1987-09-02 1987-09-02

Country Status (1)

Country Link
JP (1) JPS6439664U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03138986A (ja) * 1989-10-23 1991-06-13 Nec Corp 電歪効果素子組立体
US7397627B2 (en) 2005-02-24 2008-07-08 Fujitsu Limited Method of detecting position of head for recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03138986A (ja) * 1989-10-23 1991-06-13 Nec Corp 電歪効果素子組立体
US7397627B2 (en) 2005-02-24 2008-07-08 Fujitsu Limited Method of detecting position of head for recording medium

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