Design of quartz crystal resonators with an analytical procedure based on the Mindlin plate theory

Wang, Ji; Pan, Qiaoqiao; Yang, Lijun; Chao, Min-Chiang

doi:10.1109/ultsym.2010.5935851

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Cited by 7 publications

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“…However, because of the boundary and the elastic constant of quartz, the fundamental TS mode inevitably couples with unwanted vibration modes. 4) To achieve a high Q-factor for resonators, the electrode dimensions should be optimized to reduce unwanted mode couplings.…”

Section: Introductionmentioning

confidence: 99%

Electrode Optimization of 100 MHz High-Frequency Quartz Resonator Based on Equivalent Mass Method

Ji¹,

Oigawa²,

Zhao³

et al. 2013

Jpn. J. Appl. Phys.

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Electrode optimization based on the equivalent mass method was carried out for a 100 MHz high-frequency fundamental thickness-shear AT-cut (quartz cut with a cutting angle of about 35.25° to the optic axis of the crystal) quartz resonator. Firstly, the electrode dimensions were optimized through three-dimensional finite-element modeling by the equivalent mass method. Secondly, on the basis of simulation results, 100 MHz fundamental frequency resonators were fabricated and quality factors were measured. The experimental and calculated results are highly consistent with the simulation results. The equivalent mass method combined with the finite-element method is confirmed to be applicable in the development of high-frequency quartz resonators.

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Section: Introductionmentioning

confidence: 99%