Electrostrictive actuators

Details Electrostrictive actuators Electrostrictive actuators

H - Electricity

01

G

334/22.1

H01G 4/30 (2006.01) H01L 41/083 (2006.01)

Patent

CA 2001435

ABSTRACT OF THE DISCLOSURE An improved method of forming electrostrictive actuators or capacitors is disclosed. A stack of green ceramic sheets is formed, a surface of the sheets including areas of electrode forming material and other areas of heat dispersible material. The electrodes of opposite polarity are exposed at opposite surfaces of the stack and areas of dispersible material intervene between the exposed edges of the electrode ink margins. An actuator fabricated in accordance with the method may he terminated without fear of shorting between adjacent layers and the resultant actuator will be essentially free of dielectric bonding whereby, when used as an actuator. a high degree of expansion will be achieved. The invention is further directed to a preform fabricated in accordance with the method of the invention.

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