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Analysis of Surface Acoustic Waves in Layered Piezoelectric Media and Its Applications to the Design of Saw Devices

並列摘要


In this paper, we utilized a Stroh based formulation for solving problems of surface waves in layered piezoelectric media, and then, applied it to analyze surface acoustic wave (SAW) devices. The determination of the optimal cut of a piezoelectric crystal and the choice of the best propagation of SAW devices were given. The dispersion induced by a thin metal layer on SAW propagation in a SAW device was analyzed and discussed. Finally, we applied the formulation to calculate the effective permittivity and phase velocity dispersion of a LiNbO3/Diamond layered SAW device. Both of the null frequency bandwidth and the insertion loss of the dispersive SAW device were obtained.

並列關鍵字

Stroh formalism SAW Piezoelectric Layered medium

被引用紀錄


曾宏量(2015)。二維垂直橫觀等向性彈性圓柱山谷承受時間諧和震波之散射研究〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2015.00332
王培于(2014)。二維垂直橫向等向性彈性半平面頻率域Lamb問題之解題方法研究〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2014.01868
Huang, C. Y. (2007). 虛擬表面聲波的特性分析及層狀表面聲波元件模擬 [doctoral dissertation, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2007.01099
Ning, L. W. (2006). 共振式拉福波震盪器之設計與應用 [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2006.00239
Huang, Z. D. (2005). ZnO/ST-cut Quartz震盪式層狀表面聲波黏度感測器 [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2005.00526

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