課程資訊
課程名稱
壓電晶體波傳與聲波元件
Waves in Piezoelectric Crystals and Acoustic Wave Devices 
開課學期
103-1 
授課對象
工學院  應用力學研究所  
授課教師
吳政忠 
課號
AM7078 
課程識別碼
543 M5790 
班次
 
學分
全/半年
半年 
必/選修
選修 
上課時間
星期三6,7,8(13:20~16:20) 
上課地點
應233 
備註
總人數上限:54人 
 
課程簡介影片
 
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課程概述

Contents:
1. One dimensional waves
1-d wave equations, D'Alembert's solution, reflection and transmission at boundaries, impedance transformation by a layer
2. Crystal symmetry
Lattice and unit cell, atomic structures, crystal classes and crystal systems, useful piezoelectric crystals
3. Elasticity and piezoelectricity
Elastic field equations, basic electrical and magnetic laws and Maxwell's equations, constitutive relations of elastic solids, Piezoelectric solids
4. Plane waves in anisotropic solids and piezoelectric crystals
Monatomic one-dimensional model, Christoffel's equations, energy velocity and characteristic surfaces, examples of slowness surfaces, plane waves in piezoelectric crystals, reflection and refraction
5. Piezoelectric transducers for bulk waves
One dimensional model, Impedance matrix, Equivalent circuits, Low frequency transducers, High frequency transducers
6. Guided waves
Planar waveguides, power flows, Rayleigh waves, transverse horizontal waves, Lamb waves
7. Analysis of inter-digital transducer
Non-piezoelectric half space, piezoelectric half space, properties of effective permittivity, Delta function model, second order effects and methods of analysis, analysis of a general array of electrode, quasi-static analysis of transducer
 

課程目標
To cultivate ME and EE graduate students with the basic training on the propagation of elastic waves in piezoelectric crystals. In addition, to enhance the students’ ability on the linkage between the theoretical analysis of piezoelectric waves and the related designs of acoustic wave devices. 
課程要求
 
預期每週課後學習時數
 
Office Hours
 
指定閱讀
 
參考書目
1.D. Royer and E. Dieulesaint, Elastic waves in solids, I&II, Springer 2000
2.Ken-Ya Hashimoto, Surface acoustic wave devices in telecommunications, Springer, 2000

 
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