Oxygen filled, sealed housing for piezoceramic electroacoustic t

Details Oxygen filled, sealed housing for piezoceramic electroacoustic t Oxygen filled, sealed housing for piezoceramic electroacoustic t

1977-10-13

1980-07-15

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310334, H01L 4110

Patent

active

042130719

ABSTRACT:
Electroacoustic transducer having a piezoceramic transducer element includes an oxygen-impermeable and oxygen-nonabsorbing enclosure wherein the transducer element is received.

REFERENCES:
patent: 2095376 (1937-10-01), Bechmann
patent: 2266333 (1941-12-01), Ream
patent: 2636134 (1953-04-01), Arons et al.
patent: 2794132 (1957-05-01), Zapponi
patent: 2833942 (1958-05-01), Ravich
patent: 3054982 (1962-09-01), Kieser
patent: 3931388 (1976-01-01), Hafner et al.
patent: 3970878 (1976-07-01), Berglund

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