Analysis of a monolithic crystal plate acoustic wave filter

Huijing He, Jinxi Liu, Jiashi Yang

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We study thickness-shear and thickness-twist vibrations of a finite, monolithic, AT-cut quartz plate crystal filter with two pairs of electrodes. The equations of anisotropic elasticity are used with the omission of the small elastic constant c56. An analytical solution is obtained using Fourier series from which the resonant frequencies, mode shapes, and the vibration confinement due to the electrode inertia are calculated and examined.

Original languageEnglish (US)
Pages (from-to)991-996
Number of pages6
JournalUltrasonics
Volume51
Issue number8
DOIs
StatePublished - Dec 2011
Externally publishedYes

Bibliographical note

Funding Information:
This work is supported by the National Natural Science Foundation of China (No. 10972147) as well as the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT0971).

Keywords

  • Crystal
  • Plate
  • Quartz
  • Thickness-shear vibration
  • Thickness-twist vibration

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