Ultrasonic imaging equipment

Details Ultrasonic imaging equipment Ultrasonic imaging equipment

1981-01-21

1983-06-07

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73615, G01N 2404, G01N 2904

Patent

active

043865305

ABSTRACT:
An ultrasonic imaging equipment employing a transducer which includes an acoustic propagating medium formed with a concave surface at one end thereof and formed with a piezoelectric thin film on the other end thereof opposing to the one end, and a medium arranged in the concave surface in order to permit the concave surface to effect a lens action, and a dummy transducer which eliminates a transmitted echo and an echo from the lens boundary and which is constructed of the acoustic propagating medium and an acoustic absorber.

REFERENCES:
patent: 3090224 (1963-05-01), Rankin
patent: 3147613 (1964-09-01), Kirkhope
patent: 3857052 (1974-12-01), Beller
patent: 4054053 (1977-10-01), Yamamoto et al.
patent: 4168629 (1979-09-01), Bulteel
patent: 4198866 (1980-04-01), Birjukov et al.
patent: 4267732 (1981-05-01), Quate

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