piezoelectric silicon nitride ceramic loop uses
Piezoelectric films for high frequency ultrasonic ... 2011-2-1 · The simplest ultrasonic transducer is single-element piston transducer (), which is based on a piezoelectric plate or disc poled along the thickness direction and used in its thickness mode, so its thickness t defines the resonance frequency f of the device given by : (3.1) t = n c p 2 f with the lowest resonant frequency being ...
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