Surface Acoustic Wave Transducer in a Layered Structure Composed of Thin Piezoelectric Cerarmic Plate and Glass
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概要
- 論文の詳細を見る
Operation performance of a surface acoustic wave (SAW) interdigital transducer (IDT) in a layered structure composed of a thin piezoelectric ceramic plate and a glass substrate is described in terms of phase velocity, electromechanical coupling constant and mechanical displacement distributions. The numerical results of SAW phase velocities in the form of a function of the product of frequency and thickness of the piezoelectric ceramic plate are in good agreement with the measured velocities of the constructed layer-structured devices. The first-order SAW mode device has an excellent electromechanical coupling constant of greater than 15% , which is favorable for a SAW device exhibiting a satisfactory performance under single-mode operation in a SAW oscillator construction.
- 社団法人応用物理学会の論文
- 1993-09-30
著者
-
Toda Kohji
Departmemt Of Electronic Engineering National Defense Academy
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YAMAMOTO Yoshikiyo
Department of Electronic Engineering, National Defense Academy
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