Piezoelectric scanning systems for ultrasonic transducers

Details Piezoelectric scanning systems for ultrasonic transducers Piezoelectric scanning systems for ultrasonic transducers

1983-02-03

1984-07-31

Woodiel, Donald O.

Measuring and testing

Vibration

By mechanical waves

G01N 2900

Patent

active

044622554

ABSTRACT:
An ultrasonic scanning system is provided in which an ultrasonic transducer is oscillated for scanning purposes by a piezoelectric bender. One end of the bender is fixedly mounted in a sector scanner head, while the other end is connected to the ultrasonic transducer. The bender is deflected through the application of a drive voltage to electrodes plated on the piezoelectric material, causing the bender to deflect by a distance which is proportional to the applied voltage. The transducer is thereby caused to oscillate or rock by the motion of the bender.

REFERENCES:
patent: 2137188 (1938-11-01), Whitman
patent: 3110824 (1963-11-01), Flanagan
patent: 3271527 (1966-09-01), Hammond
patent: 4339682 (1982-07-01), Toda
patent: 4399703 (1983-08-01), Matzuk
patent: 4418698 (1983-12-01), Dory
patent: 4426886 (1984-01-01), Finsterwald

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