Abstract
An analytic solution is obtained for the problem of acoustic energy trapping in a microwave composite resonator containing a thick cubic-crystal plate with a deposited piezoelectric film and electrodes. It is found that rigorous account of the wave properties of the piezoelectric film and electrodes is of principal importance for such a structure. The problem is solved in the case when the operating frequency is a high-order harmonic of the fundamental frequency of the resonator and the resonator is much thicker than the other layers. The formulas obtained make it possible to analyze the feasibility of a multilayer resonator structure with a high Q-factor at a desired frequency.
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Original Russian Text © S.G. Alekseev, G.D. Mansfeld, N.I. Polzikova, 2006, published in Radiotekhnika i Elektronika, 2006, Vol. 51, No. 8, pp. 984–990.
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Alekseev, S.G., Mansfeld, G.D. & Polzikova, N.I. Trapping of acoustic energy in composite resonators based on cubic crystals. J. Commun. Technol. Electron. 51, 925–931 (2006). https://doi.org/10.1134/S1064226906080092
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DOI: https://doi.org/10.1134/S1064226906080092