Analysis of Leaky Surface Acoustic Waves Propagating on Piezoelectric Substrates of Finite Thickness
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概要
- 論文の詳細を見る
A numerical analysis of the propagation characteristics of leaky surface acoustic waves is presented, taking into account the finite thickness of piezoelectric substrates. In the analysis, all the 8 plane waves in the substrate are superposed to fulfill the boundary conditions on both surfaces of the substrate. The computational result for LST-cut quartz substrate shows that a first leaky wave splits into even and odd modes when the thickness is reduced. In contrast, the computational result for (90°, 90°, 31°)-cut LiTaO3 substrate shows that many propagation modes exist depending on the substrate thickness, where each velocity approaches that of the longitudinal wave for smaller thickness.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1996-05-30
著者
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Nishikata Atsuhiro
Cradle Tokyo Institute Of Technology
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Shimizu Yasutaka
Cradle Tokyo Institute Of Technology
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Tonami Shigetaka
Cradle Tokyo Institute Of Technology
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Nishikata Atsuhiro
CRADLE, Tokyo Institute of Technology, Tokyo 152, Japan
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Tonami Shigetaka
CRADLE, Tokyo Institute of Technology, Tokyo 152, Japan
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