Ultrasonic transducer

Details Ultrasonic transducer Ultrasonic transducer

1975-11-25

1977-08-23

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310335, 340 9, 340 8FT, H01L 4104

Patent

active

040442730

ABSTRACT:
A transducer included in an ultrasonic source is a concave ultrasonic transducer made of a piezoelectric material. The concave ultrasonic transducer is shaped into such body of revolution that a section of the transducer forms a revolutionary arc surface consisting of two arcs. Owing to the shape, an ultrasonic source similar to a conventional ring type source is constructed.

REFERENCES:
patent: 711974 (1902-10-01), Hyde
patent: 2831785 (1958-04-01), Kearney
patent: 2855526 (1958-10-01), Jones
patent: 3020395 (1962-02-01), Peltz
patent: 3162766 (1964-12-01), Ploke
patent: 3166730 (1965-01-01), Brown, Jr. et al.
patent: 3433461 (1969-03-01), Scarpa
patent: 3903990 (1975-09-01), Tannaka
patent: 3965455 (1976-06-01), Hurwitz

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