On the Generation of High-Frequency Acoustic Energy with Polyvinylidene Fluoride
作者： R.G. Swartz , J.D. Plummer
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摘要: Absrracr-The piezoelectric polymer polyvinylidene fluoride (PVF2) has recently shown great promise in medical imaging applications when combined with integrated circuit technology to form a broadband acoustic detector. The application of as generator energy the 1-10 MHz frequency range is considered. response rigidly backed PVFz voltage and current-source electrical drive analyzed, nature demonstrated. Measured values dielectric parameters are presented used calculate effects arising from frequency-dependent constant associated loss. multiple-layer stack, mechanical transformer, proposed method for increasing available output power transducer. Experimental investigation this theoretical modeling described.
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