JPS63170977U - - Google Patents
Info
- Publication number
- JPS63170977U JPS63170977U JP1987062386U JP6238687U JPS63170977U JP S63170977 U JPS63170977 U JP S63170977U JP 1987062386 U JP1987062386 U JP 1987062386U JP 6238687 U JP6238687 U JP 6238687U JP S63170977 U JPS63170977 U JP S63170977U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- bimorph element
- points
- piezoelectric bimorph
- 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 238000010304 firing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１図は圧電セラミツクスの温度と誘電率の関
係を示す線図、第２図は分極処理されたバイモル
フの電界強度の関係を示す図、第３図は本考案の
一実施例を示す図、第４図はバイモルフ素子の先
端の変位と曲率との関係を示す図である。
１，２……誘電率の異なるセラミツクス層、３
……固定物、４……電極。
FIG. 1 is a diagram showing the relationship between temperature and dielectric constant of piezoelectric ceramics, FIG. 2 is a diagram showing the relationship between electric field strength of polarized bimorph, and FIG. 3 is a diagram showing an embodiment of the present invention. FIG. 4 is a diagram showing the relationship between displacement and curvature of the tip of a bimorph element. 1, 2... Ceramic layers with different dielectric constants, 3
...fixed object, 4...electrode.
Claims (1)
シートを互いに熱圧着して矩形の積層状に焼成し
てなる複合セラミツクス板の両面に電極を形成し
た圧電バイモルフ素子において、 上記電極間に双方のキユーリ点の中間にある温
度にて分極処理して、一方のみに歪みが発生する
ようにし、上記電極間への電圧印加により自由端
が屈曲変位するように構成したことを特徴とする
圧電バイモルフ素子。[Claims for Utility Model Registration] A piezoelectric bimorph element in which electrodes are formed on both sides of a composite ceramic plate made by thermo-pressing piezoelectric ceramic sheets of two compositions with different Kyuri points and firing them into a rectangular laminated form, In between, polarization treatment is performed at a temperature between the Curie points of both so that strain occurs only in one, and the free end is configured to be bent and displaced by applying a voltage between the electrodes. piezoelectric bimorph element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987062386U JPH0621260Y2 (en) | 1987-04-24 | 1987-04-24 | Piezoelectric bimorph element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987062386U JPH0621260Y2 (en) | 1987-04-24 | 1987-04-24 | Piezoelectric bimorph element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63170977U true JPS63170977U (en) | 1988-11-07 |
| JPH0621260Y2 JPH0621260Y2 (en) | 1994-06-01 |
Family
ID=30896612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987062386U Expired - Lifetime JPH0621260Y2 (en) | 1987-04-24 | 1987-04-24 | Piezoelectric bimorph element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0621260Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000326507A (en) * | 1999-05-17 | 2000-11-28 | Seiko Epson Corp | Actuator, ink jet recording head and ink jet printer |
-
1987
- 1987-04-24 JP JP1987062386U patent/JPH0621260Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000326507A (en) * | 1999-05-17 | 2000-11-28 | Seiko Epson Corp | Actuator, ink jet recording head and ink jet printer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0621260Y2 (en) | 1994-06-01 |
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