Piezoelectric actuator of lamination type

Details Piezoelectric actuator of lamination type Piezoelectric actuator of lamination type

1989-07-18

1990-12-18

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310364, 310366, H01L 4108

Patent

active

049788817

ABSTRACT:
A piezoelectric actuator of a lamination or stack type has a plurality of sheet-like electrostrictive elements and oppositely poled electrode layers provided on the major surfaces of the each element, respectively, each electrode layer being arranged so as to define an insulating zone on the one end portion of the associated major surface. An insulating gap is formed between the adjacent elements by the insulating zone(s) and is filled with an elastic material.

REFERENCES:
A Piezoceramic fine-movement control by Mills et al., Institute of Physics, J. Phys. E. Sci Instrum. vol. 14, 1981, pp. 295, 296.

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