JPH0361360U - - Google Patents
Info
- Publication number
- JPH0361360U JPH0361360U JP1989122082U JP12208289U JPH0361360U JP H0361360 U JPH0361360 U JP H0361360U JP 1989122082 U JP1989122082 U JP 1989122082U JP 12208289 U JP12208289 U JP 12208289U JP H0361360 U JPH0361360 U JP H0361360U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- layers
- absolute value
- small
- piezoelectric constant
- 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 15
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１図は本考案の一実施例を示すセラミツクス
アクチユエータの斜視図、第２図は本考案に用い
るセラミツクスの接合面の状態を示す図、第３図
は傾斜組成を持つたアクチユエータを製作する為
の装置を示す斜視図、第４図ａ〜ｄはフイルム上
にセラミツクス粘性体が吐出された場合の拡がり
具合を示す図、第５図は第１図に示す本考案のセ
ラミツクスアクチユエータの屈曲状態を示す図、
第６図、第７図は請求項２の実施例と屈曲状態を
示す図、第８図は本考案で使用するセラミツクス
材の固溶体の相図、第９図は横圧電定数の異なる
２種類のセラミツクス層を重ね合わせて焼成し、
電極を形成した状態を示す断面図、第１０図は従
来のアクチユエータの一例を示す断面図である。
１０……第１のセラミツクス層、１１……第２
のセラミツクス層、３……電極、４……電源、７
……スリツト。
Figure 1 is a perspective view of a ceramic actuator showing an embodiment of the present invention, Figure 2 is a diagram showing the state of the bonded surfaces of ceramics used in the present invention, and Figure 3 is an actuator with a gradient composition. Figures 4a to 4d are diagrams showing how the ceramic viscous material spreads when it is discharged onto the film. Figure 5 is the ceramic actuator of the present invention shown in Figure 1. A diagram showing a bent state of
6 and 7 are diagrams showing the embodiment of claim 2 and the bent state, FIG. 8 is a phase diagram of the solid solution of the ceramic material used in the present invention, and FIG. 9 is a diagram showing two types of ceramic materials with different transverse piezoelectric constants. Ceramic layers are stacked and fired,
FIG. 10 is a sectional view showing an example of a conventional actuator. 10...first ceramic layer, 11...second
ceramic layer, 3...electrode, 4...power supply, 7
...Slit.
Claims (1)
そのスリツトを境として分割された板体のそれぞ
れは、横圧電定数の絶対値が大（または小）の第
１のセラミツクス層と、横圧電定数の絶対値が小
（または大）の第２のセラミツクス層が２層に積
層され、前記スリツトを介して向かい合う側面の
材質が互いに逆向きに配置されるとともに前記第
１、第２のセラミツクス層は面方向および側面で
その接合部が傾斜組成となるように接合され、前
記それぞれの板体の面に電極を設けてなるセラミ
ツクスアクチユエータ。 ２ 前記分割された板体のそれぞれは、横圧電定
数の絶対値が大（または小）の第１のセラミツク
ス層と、横圧電定数の絶対値が小（または大）の
第２のセラミツクス層が２層に積層されるととも
にその屈曲方向が逆方向となる２種類の層を側面
で接合して形成されたことを特徴とする請求項１
記載のセラミツクスアクチユエータ。[Scope of claims for utility model registration] 1. A rectangular plate is equally divided into slits,
Each of the plates divided by the slit has a first ceramic layer with a large (or small) absolute value of the transverse piezoelectric constant, and a second ceramic layer with a small (or large) absolute value of the transverse piezoelectric constant. The ceramic layers are laminated in two layers, and the materials of the side surfaces facing each other through the slit are arranged in opposite directions, and the first and second ceramic layers have a composition gradient at the joint in the plane direction and the side surface. A ceramic actuator comprising electrodes provided on the surfaces of each of the plates. 2. Each of the divided plates includes a first ceramic layer having a large (or small) absolute value of the transverse piezoelectric constant and a second ceramic layer having a small (or large) absolute value of the transverse piezoelectric constant. Claim 1 characterized in that it is formed by joining two types of layers that are laminated into two layers and whose bending directions are opposite to each other at the side surfaces.
The ceramic actuator described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989122082U JPH0361360U (en) | 1989-10-18 | 1989-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989122082U JPH0361360U (en) | 1989-10-18 | 1989-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361360U true JPH0361360U (en) | 1991-06-17 |
Family
ID=31670098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989122082U Pending JPH0361360U (en) | 1989-10-18 | 1989-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361360U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5656685A (en) * | 1979-10-15 | 1981-05-18 | Hitachi Ltd | Electrostrictive substrate |
| JPS5851578A (en) * | 1981-09-22 | 1983-03-26 | Matsushita Electric Ind Co Ltd | Piezoelectric displacement element |
-
1989
- 1989-10-18 JP JP1989122082U patent/JPH0361360U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5656685A (en) * | 1979-10-15 | 1981-05-18 | Hitachi Ltd | Electrostrictive substrate |
| JPS5851578A (en) * | 1981-09-22 | 1983-03-26 | Matsushita Electric Ind Co Ltd | Piezoelectric displacement element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0635462Y2 (en) | Multilayer capacitor | |
| JPH0217860U (en) | ||
| JPS6371524U (en) | ||
| JPH0361360U (en) | ||
| JPS6244525U (en) | ||
| JPH0238759U (en) | ||
| JPH0238499Y2 (en) | ||
| JPH0744030Y2 (en) | Monomorph type actuator | |
| JPH046884A (en) | Laminated unimorph type piezoelectric element | |
| JPH025931U (en) | ||
| JPH028127U (en) | ||
| JPS603589Y2 (en) | Wiring member for piezoelectric ceramic laminate or dielectric ceramic laminate | |
| JPH0292956U (en) | ||
| JPH0436142Y2 (en) | ||
| JPS6133521U (en) | Strip type piezoelectric vibrator | |
| JPH02180082A (en) | Laminated piezoelectric element | |
| JPH08236829A (en) | Multilayer piezoelectric vibrator | |
| JPS63182561U (en) | ||
| JPH028126U (en) | ||
| JPS58119295U (en) | Electromechanical conversion element | |
| JPH0264228U (en) | ||
| JPH0375628U (en) | ||
| JPS59169126U (en) | piezoelectric ceramic resonator | |
| JPH0258383A (en) | Laminated type piezoelectric element | |
| JPS6296866U (en) |