Multilayer piezoelectric actuator stack and method for its manuf

Details Multilayer piezoelectric actuator stack and method for its manuf Multilayer piezoelectric actuator stack and method for its manuf

1990-10-26

1993-09-21

Budd, Mark O.

Metal working

Piezoelectric device making

310328, 310358, 310363, 310364, 310366, H04R 1700, H01L 4108

Patent

active

052457346

ABSTRACT:
Multilayer piezoactuators are made by stacking and pressing alternating layers of piezoceramic material and interdigital electrode material. The electrode structure is provided with pressure protected boundary discontinuities which form areas in which electrodes edges do not make contact with the common electrical collectors of the piezoactuators and in which the piezoceramic layers are prevented from touching one another.

REFERENCES:
patent: 4523121 (1985-06-01), Takahashi et al.
patent: 4978881 (1990-12-01), Wakita et al.

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