JPH02110357U - - Google Patents
Info
- Publication number
- JPH02110357U JPH02110357U JP1799689U JP1799689U JPH02110357U JP H02110357 U JPH02110357 U JP H02110357U JP 1799689 U JP1799689 U JP 1799689U JP 1799689 U JP1799689 U JP 1799689U JP H02110357 U JPH02110357 U JP H02110357U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- internal electrodes
- laminated piezoelectric
- piezoelectric actuator
- laminated
- 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
Links
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１図は本考案の実施例に係る積層型圧電アク
チユエータの構成を示す斜視図。第２図は従来例
に係る積層型圧電アクチユエータの構成を示す斜
視図である。
１１，２１……圧電的に活性なセラミツクス部
、１２，２２……内部電極、１３，２３……電気
絶縁部、１４，２４……外部電極、１５，２５，
２５ａ……リード線、１６，１６ａ，２６，２６
ａ……圧電的に不活性なセラミツクス部、１７，
１７ａ……導電部材、１８……導電性材料、１９
……めねじ穴、２７，２７ａ……不活性セラミツ
クス部の端面。
FIG. 1 is a perspective view showing the structure of a laminated piezoelectric actuator according to an embodiment of the present invention. FIG. 2 is a perspective view showing the structure of a conventional stacked piezoelectric actuator. 11, 21... Piezoelectrically active ceramic part, 12, 22... Internal electrode, 13, 23... Electrical insulation part, 14, 24... External electrode, 15, 25,
25a...Lead wire, 16, 16a, 26, 26
a...Piezoelectrically inactive ceramic portion, 17,
17a... Conductive member, 18... Conductive material, 19
... Female threaded hole, 27, 27a ... End face of inert ceramic part.
Claims (1)
と、内部電極に接続する正負の外部電極を有する
圧電セラミツクスを用いた積層型圧電アクチユエ
ータにおいて、内部電極が一層毎に対向電極を構
成する一対の外部電極の、少なくとも１つの外部
電極と電気的に接続された該積層体の端面に、取
り付け用のねじ穴を持つ導電部材を固着形成した
ことを特徴とする積層型圧電アクチユエータ。 In a laminated piezoelectric actuator using laminated piezoelectric ceramics having a plurality of internal electrodes and piezoelectric ceramics having positive and negative external electrodes connected to the internal electrodes, a pair of external electrodes in which the internal electrodes constitute opposing electrodes for each layer, A laminated piezoelectric actuator, characterized in that a conductive member having a screw hole for attachment is fixedly formed on an end face of the laminated body electrically connected to at least one external electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1799689U JPH02110357U (en) | 1989-02-17 | 1989-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1799689U JPH02110357U (en) | 1989-02-17 | 1989-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02110357U true JPH02110357U (en) | 1990-09-04 |
Family
ID=31232248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1799689U Pending JPH02110357U (en) | 1989-02-17 | 1989-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02110357U (en) |
-
1989
- 1989-02-17 JP JP1799689U patent/JPH02110357U/ja active Pending