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Focuses on a study which reviewed and presented insights into the important considerations for the design of active piezoelectric polymer ultrasound transducers. Selection of piezoelectric polymer materials; Thickness and area of an active resonator; Electroding of transducers.

Investigates the ferroelectric nylon materials for feasibility in ultrasonic transducer applications. Structure and properties of the nylons; Nylon sample preparations; Dielectric and electromechanical properties; Ultrasound transducer performance of the nylon; Conclusions.

Details the construction of disposable ultrasonic contact transducers with inexpensive polyvinylidene fluoride (PVDF) films for nondestructive testing (NDT) applications. Assessment of the temperature-dependent ultrasonic performance of commercial PVDF films and PVDF sensors; Center frequencies; Ultrasonic immersion transducer performance.

Focuses on the progress in science. Occurrence of the development and applications of piezoelectric polymers; Impact of the calibration of hydrophones for medical ultrasonics to polyvinylidene fluoride.