JPH0323954U - - Google Patents

Info

Publication number
JPH0323954U
JPH0323954U JP8304989U JP8304989U JPH0323954U JP H0323954 U JPH0323954 U JP H0323954U JP 8304989 U JP8304989 U JP 8304989U JP 8304989 U JP8304989 U JP 8304989U JP H0323954 U JPH0323954 U JP H0323954U
Authority
JP
Japan
Prior art keywords
piezoelectric ceramic
electrode
covers
internal electrodes
ceramic 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
JP8304989U
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 JP8304989U priority Critical patent/JPH0323954U/ja
Publication of JPH0323954U publication Critical patent/JPH0323954U/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図及び第3図は本考案の実施例に用いる内
部電極の形状を示す圧電セラミツク素子の平面図
、第2図及び第4図はそれぞれ第1図及び第3図
の圧電セラミツク素子のA部断面図とそこにおけ
る圧電変位量の変化を示す図、第5図は典型的な
積層型圧電セラミツクアクチユエータの模式図、
第6図は圧電セラミツク素子の代表的な内部電極
形状を示す横断面図、第7図は従来例の圧電セラ
ミツク素子の1部横断面と圧電変位量を示す図で
ある。 1……圧電セラミツク素子、2……内部電極、
3……外部電極、11,21……圧電セラミツク
素子、12,22……主電極、13,23,24
……環状電極。

Claims (1)

    【実用新案登録請求の範囲】
  1. 圧電セラミツク素子と内部電極が交互に積層さ
    れて成る積層型圧電セラミツクアクチユエータに
    おいて、圧電セラミツク素子間に介在する内部電
    極として圧電セラミツク素子の主面の大部分を覆
    う主電極とともに該主電極の外周に少なくとも1
    周の環状電極を設けたことを特徴とする圧電セラ
    ミツクアクチユエータ。
JP8304989U 1989-07-17 1989-07-17 Pending JPH0323954U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8304989U JPH0323954U (ja) 1989-07-17 1989-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8304989U JPH0323954U (ja) 1989-07-17 1989-07-17

Publications (1)

Publication Number Publication Date
JPH0323954U true JPH0323954U (ja) 1991-03-12

Family

ID=31630395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8304989U Pending JPH0323954U (ja) 1989-07-17 1989-07-17

Country Status (1)

Country Link
JP (1) JPH0323954U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011229794A (ja) * 2010-04-29 2011-11-17 Makiko Kaji カチューシャ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011229794A (ja) * 2010-04-29 2011-11-17 Makiko Kaji カチューシャ

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