厚度连续变化的电极对厚度剪切模式石英谐振器中能量俘获的影响。
Effects of electrodes with continuously varying thickness on energy trapping in thickness-shear mode quartz resonators.
作者信息
Wang Ji, Shen Lijun, Yang Jiashi
机构信息
Piezoelectric Device Laboratory, Department of Mechanics and Engineering Science, School of Engineering, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang 315211, China.
出版信息
Ultrasonics. 2008 Apr;48(2):150-4. doi: 10.1016/j.ultras.2007.11.003. Epub 2007 Dec 8.
We study the effects of electrodes of nonuniform thickness on thickness-shear vibration frequencies and mode shapes of quartz resonators. This paper extends a previous paper from electrodes of stepped thickness to continuously varying thickness. Numerical results for electrodes of linearly varying thickness are presented. The results show that strong energy trapping can be achieved and adjusted using electrodes with variable thickness.
我们研究了厚度不均匀的电极对石英谐振器厚度剪切振动频率和振型的影响。本文将先前关于阶梯厚度电极的论文扩展到厚度连续变化的情况。给出了线性变化厚度电极的数值结果。结果表明，使用厚度可变的电极可以实现并调整强能量俘获。
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