Piezoelectric actuator

Details Piezoelectric actuator Piezoelectric actuator

2004-09-07

2008-07-22

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S328000

Reexamination Certificate

active

07402937

ABSTRACT:
A piezoelectric actuator, for example for actuating a mechanical component, has a multilayered structure of piezoelectric layers and, in a piezoelectrically active region, can be acted on with an electrical voltage by means of internal electrodes that are situated between the layers. The layer structure of the piezoelectric actuator includes inactive regions; at least the top part or bottom part, as an inactive region without internal electrodes, is comprised of a material whose dielectric constant is less than the dielectric constant of the active region.

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