JPS6420757U - - Google Patents
Info
- Publication number
- JPS6420757U JPS6420757U JP1987114542U JP11454287U JPS6420757U JP S6420757 U JPS6420757 U JP S6420757U JP 1987114542 U JP1987114542 U JP 1987114542U JP 11454287 U JP11454287 U JP 11454287U JP S6420757 U JPS6420757 U JP S6420757U
- Authority
- JP
- Japan
- Prior art keywords
- internal electrodes
- piezoelectric
- layer
- laminated
- electrodes
- 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 4
- 239000000463 material Substances 0.000 claims 2
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案の積層型圧電磁器の縦断面図で
あり、第２図は従来の積層型圧電磁器の縦断面図
である。
１……圧電体層、２……内部電極、３……外部
電極、４……圧電体多孔質層。
FIG. 1 is a longitudinal sectional view of a laminated piezoelectric ceramic according to the present invention, and FIG. 2 is a longitudinal sectional view of a conventional laminated piezoelectric ceramic. 1... Piezoelectric layer, 2... Internal electrode, 3... External electrode, 4... Piezoelectric porous layer.
Claims (1)
該内部電極が１層おきに外部電極により並列に接
続されており、かつ該内部電極が該圧電体層の横
断面積より小さくなつている積層型圧電磁器にお
いて、該内部電極が形成された部分を除いて圧電
体多孔質層が形成されていることを特徴とする積
層型圧電磁器。 Multiple piezoelectric layers and internal electrodes are laminated alternately,
In a laminated piezoelectric ceramic in which the internal electrodes are connected in parallel to every other layer by external electrodes, and the internal electrodes have a cross-sectional area smaller than the piezoelectric layer, the portion where the internal electrodes are formed is A laminated piezoelectric ceramic characterized in that a porous layer of piezoelectric material is formed except for the piezoelectric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987114542U JPS6420757U (en) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987114542U JPS6420757U (en) | 1987-07-28 | 1987-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6420757U true JPS6420757U (en) | 1989-02-01 |
Family
ID=31355387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987114542U Pending JPS6420757U (en) | 1987-07-28 | 1987-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6420757U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH053349A (en) * | 1991-06-25 | 1993-01-08 | Onoda Cement Co Ltd | Laminated piezo-electric actuator and its manufacture |
| JP2013172094A (en) * | 2012-02-22 | 2013-09-02 | Taiheiyo Cement Corp | Laminate type piezoelectric actuator and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60101765A (en) * | 1983-11-09 | 1985-06-05 | Oki Electric Ind Co Ltd | Diagnostic system of magnetic disk device |
-
1987
- 1987-07-28 JP JP1987114542U patent/JPS6420757U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60101765A (en) * | 1983-11-09 | 1985-06-05 | Oki Electric Ind Co Ltd | Diagnostic system of magnetic disk device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH053349A (en) * | 1991-06-25 | 1993-01-08 | Onoda Cement Co Ltd | Laminated piezo-electric actuator and its manufacture |
| JP2013172094A (en) * | 2012-02-22 | 2013-09-02 | Taiheiyo Cement Corp | Laminate type piezoelectric actuator and manufacturing method thereof |