本发明提供一种弹性表面波装置的制造方法，能够降低电气特性的劣化，减少制造工序的工数。
Provided is a method for manufacturing a surface acoustic wave device by which deterioration of electrical characteristics is reduced and the number of manufacturing steps is reduced.
实验观测到两类由弹性表面波的再辐射产生的回波：径向表面反向散射波和纵向表面反向散射波。
Two sorts of echoes caused by the reradiation of elastic surface wave have been observed in experimentation: the radial surface backscattering wave and the longitudinal surface backscattering wave.
激光激发声表面波提供了评价涂层或薄膜的弹性性质的有效手段。
Laser generated surface acoustic waves provide a useful tool for determining the elastic properties of coatings.
本文提出了一种基于冲击弹性波的无损检测技术（简称表面波法）。
This paper introduces an impact elastic-wave based NDT method suitable for detection of such deep cracks.
基于弹性动力学理论，采用有限元方法数值模拟了声表面波沿金属表面传播及其与表面缺陷相互作用的过程。
Based on the theory of elastodynamics, the interaction of elastic surface acoustic waves with surface-breaking defect is studied numerically by using the finite element method.
基于弹性动力学理论，采用有限元方法数值模拟了声表面波沿金属表面传播及其与表面缺陷相互作用的过程。
Based on the theory of elastodynamics, the interaction of elastic surface acoustic waves with surface-breaking defect is studied numerically by using the finite element method.
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