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Updated: May 22, 2026

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics
Published on: August 5, 2020
Thickness-shear vibration of an AT-cut quartz resonator with a hyperbolic contour
Peng Li1, Feng Jin, Jiashi Yang
1Ministry of Education (MOE) Key Laboratory for Strength and Vibration, School of Aerospace, Xi’an Jiaotong University, Xi’an, PR China.
Abstract:
A theoretical analysis is performed on thicknessshear vibrations of a contoured AT-cut quartz resonator with a hyperbolic thickness variation using the Legendre equation and hypergeometric function. Based on the solution, resonant frequencies and modes are calculated. Strong energy trapping of the modes is observed. The effects of the parameters of the hyperbolic contour on resonant frequencies and modes are examined. A comparison with the conventional contoured resonator in the literature with a quadratic thickness variation is made. The behaviors of the two types of resonators are qualitatively similar, with small but significant quantitative differences.
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