Influence non-uniform strain on characteristics of one-port saw resonators

被引:0
作者
Kalinin, V [1 ]
Leigh, A [1 ]
机构
[1] Transense Technol Plc, Bicester OX25 5HD, Oxon, England
来源
2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2 | 2003年
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D O I
暂无
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A one-port SAW resonator with a non-uniformly strained substrate is studied both experimentally and theoretically. Apart from the expected variation of the resonant frequency due to static strain and a noticeable variation of the resonant value of S(11) the emergence of a parasitic mode is also observed. Modelling explains this phenomenon and helps to predict a reduction of the sensitivity to strain due to its non-uniformity.
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页码:1412 / 1415
页数:4
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