Experimental broadband ultrasonic transducers using PVF2 piezoelectric film

Experimental broadband ultrasonic transducers using PVF2 piezoelectric film

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Broadband ultrasonic transducers using PVF2 piezoelectric plastics films, combining efficient transduction with extremely wide and uniform passbands, have been fabricated using very simple procedures without any critical tolerances Frequency spectra of impulsed transducers using films of 25 and 50 μm thickness, centred at 10 and 5 MHz, respectively, are shown.


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