JPH0363958U - - Google Patents
Info
- Publication number
- JPH0363958U JPH0363958U JP1989125084U JP12508489U JPH0363958U JP H0363958 U JPH0363958 U JP H0363958U JP 1989125084 U JP1989125084 U JP 1989125084U JP 12508489 U JP12508489 U JP 12508489U JP H0363958 U JPH0363958 U JP H0363958U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric ceramic
- ceramic element
- bulge
- electrode
- piezoelectric
- 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
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１〜６図は本考案に係る積層型圧電アクチユ
エータの構成を示す部品図及び組立図である。
２０……基本構成、２１……圧電セラミツク素
子、２２……膨出部、２２ａ……膨出部の底面、
２３……上面導電性膜、２３ａ……素子の上面、
２４……下面導電性膜、２４ａ……素子の下面、
４６−１，４６−２，４６−３……リード線、４
７，４８……溶接部、４９ａ，４９ｂ……ダミー
。
1 to 6 are component diagrams and assembly diagrams showing the structure of a laminated piezoelectric actuator according to the present invention. 20...Basic configuration, 21...Piezoelectric ceramic element, 22...Bulging part, 22a...Bottom surface of the bulging part,
23...Top surface conductive film, 23a...Top surface of element,
24... lower surface conductive film, 24a... lower surface of element,
46-1, 46-2, 46-3...Lead wire, 4
7, 48...Welded part, 49a, 49b...Dummy.
Claims (1)
らなる膨出部をその底面が圧電セラミツク素子の
底面と一致するように設け、かつ該膨出部底面に
圧電セラミツク素子底面上に設けた内部電極と一
体的に外部電極との接続用電極を設け、そして該
圧電セラミツク素子を複数個積層し、外部電極を
該接続用電極に接続して成ることを特徴とする積
層型圧電アクチユエータ。 A bulge made of an elastic insulating material is provided on one side of one end of the piezoelectric ceramic element so that its bottom surface coincides with the bottom surface of the piezoelectric ceramic element, and the bottom surface of the bulge is integrated with an internal electrode provided on the bottom surface of the piezoelectric ceramic element. 1. A laminated piezoelectric actuator characterized in that a plurality of piezoelectric ceramic elements are stacked, and the external electrode is connected to the connection electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989125084U JPH0363958U (en) | 1989-10-27 | 1989-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989125084U JPH0363958U (en) | 1989-10-27 | 1989-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363958U true JPH0363958U (en) | 1991-06-21 |
Family
ID=31672970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989125084U Pending JPH0363958U (en) | 1989-10-27 | 1989-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363958U (en) |
-
1989
- 1989-10-27 JP JP1989125084U patent/JPH0363958U/ja active Pending