Piezoelectric relays in sealed enclosures

Details Piezoelectric relays in sealed enclosures Piezoelectric relays in sealed enclosures

1986-06-19

1988-07-05

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310330, 200181, H01L 4108

Patent

active

047557060

ABSTRACT:
A piezoceramic relay is disclosed having a bimorph actuating member cantilever mounted within an enclosure of various forms and materials. The enclosures may be moisture-proof and/or hermetically sealed to maintain a vacuum or a protective gaseous atmosphere in which the relay contacts operate. The electrical terminations of the relay are brought out externally of the enclosure in a form compatible with a plug receptacle. To ensure precision contact gaps, removable spacers are positioned between the stationary and movable contacts during prepolarization of the bimorph member.

REFERENCES:
patent: 3359435 (1967-12-01), Webb
patent: 3970880 (1976-07-01), Deutschmann et al.
patent: 4093883 (1978-06-01), Yamamoto
patent: 4405875 (1983-09-01), Nagai
patent: 4461968 (1984-07-01), Kolm et al.
patent: 4654555 (1987-03-01), Ohba et al.
Piezo Ceramic Devices, by Ruby, Popular Science, pp. 69-71, Jul. 1982.

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