Non-resonant ultrasonic transducer array for a phased array imag

Details Non-resonant ultrasonic transducer array for a phased array imag Non-resonant ultrasonic transducer array for a phased array imag

1981-05-20

1983-11-08

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310336, H01L 4108

Patent

active

044144822

ABSTRACT:
A phased array transducer is disclosed for transducing ultrasound of a predetermined frequency. The transducer includes a number of piezoelectric elements, all having the same natural frequency, and having two surfaces located opposite to each other, each provided with an electrode. The distance between the two surfaces of each element is one quarter of the wavelength of the ultrasound produced by the transducer within the piezoelectric material.

REFERENCES:
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patent: 4211949 (1980-07-01), Brisken et al.
patent: 4240003 (1980-12-01), Larson
patent: 4277711 (1981-07-01), Hanafy
patent: 4282452 (1981-08-01), Hassler et al.

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