Claims
- 1. A piezoelectric actuator comprising:
- a plate material;
- non-heat-treated piezoelectric ceramics bonded to the plate material; and
- a resin-free alloy layer including at least gallium provided between the plate material and piezoelectric ceramics wherein the alloy layer is substantially Al free.
- 2. A piezoelectric actuator according to claim 1, wherein
- said alloy layer including at least one or more of indium, tin and zinc, and at least one or more of copper, silver, gold and palladium.
- 3. A piezolectric actuator according to claim 1, wherein a metal is provided on the bonded surface side of said plate material.
- 4. A piezolectric actuator according to claim 3, wherein said metal is copper.
- 5. A piezoelectric actuator according to claim 1, whrein a metal is provided on the bonded surface side of the piezoelectric ceramics.
- 6. A piezoelectric actuator according to claim 5, wherein said metal is composed of a gold-palladium alloy.
Priority Claims (1)
Number |
Date |
Country |
Kind |
P07-193365 |
Jul 1995 |
JPX |
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Parent Case Info
This application is a continuation of Ser. No. 08/686,377 filed Jul. 25, 1996.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5898255 |
Kishima et al. |
Apr 1999 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
686377 |
Jul 1996 |
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