Ultrasonic Transducer Made of Piezoelectric Polymer Film for Non-Destructive Inspection

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Abstract
The purpose of this paper is to develop a new ultrasonic transducer for non-destructive inspection, and some experimental results on the transducer are presented. The result obtained is that the transducer can be fabricated easily and at low cost and, moreover, can radiate and detect a sharp ultrasonic pulse signal because of its wide frequency band characteristic. This transducer is expected to be one with high resolution capacity in non-destructive inspection.