High energy ultrasonic transducer

Details High energy ultrasonic transducer High energy ultrasonic transducer

1981-12-28

1984-03-27

Pellinen, A. D.

179111E, 179106, H04R 1900

Patent

active

044396422

ABSTRACT:
The energy storage and transmission capabilities of a capacitance-type electroacoustical transducer are increased and the cost of producing such a transducer can be decreased by employing a thin, dielectric coating material between the electrically conductive diaphragm and backplate of said transducer, and by locating the electrically conductive diaphragm support layer on what would otherwise be an exposed outer diaphragm surface to protect same from physical as well as environmental damage.

REFERENCES:
patent: 1085297 (1978-04-01), Paglia
patent: 2199432 (1940-05-01), Horkheimer
patent: 3787642 (1974-01-01), Young, Jr.
patent: 3816671 (1974-06-01), Fraim et al.
patent: 3908098 (1975-09-01), Kawakami
patent: 4081626 (1978-03-01), Muggli et al.

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