Interdigitated electrode ultrasonic transducer

Details Interdigitated electrode ultrasonic transducer Interdigitated electrode ultrasonic transducer

1979-08-20

1981-10-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310337, 310313B, 367164, H01L 4108

Patent

active

042963486

ABSTRACT:
An ultrasonic transducer including a thin piezo-electric substrate and an interdigital electrode radiating ultrasonic wave beams with excellent focusing characteristics into a liquid medium in contact with the substrate by applying AC voltages to the electrode.

REFERENCES:
patent: 2875355 (1959-02-01), Petermann
patent: 3086195 (1963-04-01), Halliday
patent: 3166731 (1965-01-01), Joy
patent: 3401360 (1968-09-01), Bois
patent: 3745812 (1973-07-01), Korpel
patent: 3962673 (1976-06-01), Desbois
patent: 4075516 (1978-02-01), Hattori
patent: 4173009 (1979-10-01), Toda
Surface Elastic Waves, by Richard M. White, Proceedings of IEEE, vol. 58, No. 8, Aug. 1970, pp. 1238-1275.

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