Oscillation in Ultrasonic Generators and Velocity of Longitudinal Vibrations in Solids at High Frequencies

Abstract

THE increasing use of piezo-eleotric quartz for the stabilisation of radio frequencies has promoted many investigations of the vibration of the quartz. In the last few years a mass of information has been accumulated disclosing the complexities of vibratory modes and types which may exist simultaneously in one and the same crystal plate or rod. Along with the longitudinal, flectural and torsional oscillations may exist, as well as overtones of any or of all. In this connexion mention may be made of the experiments of Cady, Tawil, Dawson, Harrison, Hund, Giebe and Schiebe, Meisener, Ny Tzi Ze, Crossley, Dye, and others.

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BOYLE, R., SPROULE, D. Oscillation in Ultrasonic Generators and Velocity of Longitudinal Vibrations in Solids at High Frequencies. Nature 123, 13 (1929). https://doi.org/10.1038/123013a0

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