JPH0375554U - - Google Patents
Info
- Publication number
- JPH0375554U JPH0375554U JP13602889U JP13602889U JPH0375554U JP H0375554 U JPH0375554 U JP H0375554U JP 13602889 U JP13602889 U JP 13602889U JP 13602889 U JP13602889 U JP 13602889U JP H0375554 U JPH0375554 U JP H0375554U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- outer periphery
- internal electrode
- edge
- coincides
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１〜４図は実施例の内部電極パターンを示す
平面図、第５図は第１図の圧電素子を重ねる１態
様を示す模式図、第６図は積層型圧電素子の模式
図、第７図は従来の内部電極パターンを示す平面
図である。
１……圧電素子、２……外部電極、３……外周
部（内部電極非形成部）、４……中央部（内部電
極形成部）、１１……圧電素子、１４……中央部
（内部電極）、１５……縁部（内部電極）。
1 to 4 are plan views showing the internal electrode pattern of the example, FIG. 5 is a schematic diagram showing one embodiment of stacking the piezoelectric elements of FIG. 1, FIG. 6 is a schematic diagram of a laminated piezoelectric element, and FIG. The figure is a plan view showing a conventional internal electrode pattern. DESCRIPTION OF SYMBOLS 1...Piezoelectric element, 2...External electrode, 3...Outer periphery (inner electrode non-forming part), 4...Central part (internal electrode forming part), 11...Piezoelectric element, 14...Central part (internal electrode forming part) electrode), 15... edge (internal electrode).
Claims (1)
素子の外周部に向かつて電極面積が徐々に減少し
かつその先端部が該外周部と一致とすることを特
徴とする積層型圧電アクチユエータ。 A laminated piezoelectric actuator characterized in that the shape of the edge of the internal electrode printed on the piezoelectric element gradually decreases in electrode area toward the outer periphery of the piezoelectric element, and the tip thereof coincides with the outer periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13602889U JPH0375554U (en) | 1989-11-27 | 1989-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13602889U JPH0375554U (en) | 1989-11-27 | 1989-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375554U true JPH0375554U (en) | 1991-07-29 |
Family
ID=31683258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13602889U Pending JPH0375554U (en) | 1989-11-27 | 1989-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375554U (en) |
-
1989
- 1989-11-27 JP JP13602889U patent/JPH0375554U/ja active Pending