NASA NTRS · 19800012075
CDS solid state phase insensitive ultrasonic transducer
Abstract
A phase insensitive ultrasonic transducer which includes a CdS crystal that is annealed for a selected period of time and at a selected temperature to provide substantially maximum acoustic attenuation at the operating frequency of the transducer is described. Two electrodes are attached to the crystal with amplifier means and a signal processing system connected to one of the electrodes to provide an ultrasonic receiver.
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Heyman, J. S.. 1980-03-25. CDS solid state phase insensitive ultrasonic transducer. https://ntrs.nasa.gov/citations/19800012075
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