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Ultrasonic Transducer for Extreme Temperature Environments

Abstract: 

An ultrasonic piezoelectric transducer that is operable in very high and very low temperatures. The transducer has a dual housing structure that isolates the expansion and contraction of the piezoelectric element from the expansion and contraction of the housing. Also, the internal components are made from materials having similar coefficients of expansion so that they do not interfere with the motion of the piezoelectric element.

Patent Number: 
5,195,373
Date Of Issue: 
03/23/1993
Inventors: 

Glenn M. Light;Richard Cervantes;David G. Alcazar