Surface acoustic wave application element
专利汇可以提供Surface acoustic wave application element专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain a surface acoustic wave application element with ease of manufacture and having excellent reproducibility by providing a surface wave suppressing means to a propagation path between a couple of input/output transducers so as to suppress sufficiently an undesirable wave. CONSTITUTION:A couple of input/output transducers 2, 2' are formed while being parted with each other on the surface of a surface acoustic wave piezoelectric substrate 1, and the surface wave suppressing means comprising, e.g., a slot 4, a coarse face 5 and a sound absorbing member 6 is provided to the propagating line 3 between the couple of the input/output transducers 2, 2'. The slot 4 is formed in a direction in crossing with the propagation line 3 by shaping the surface of the piezoelectric substrate 1 by means of a dicing saw, or by removing selectively the surface of the piezoelectric substrate 1 by means of the dry etching method. The coarse face 5 is formed by blowing an abbrasive material onto the surface of the piezoelectric substrate 1 or applying the wrapping polishment method. Further, the sound absorbing member 6 is formed by coating an epoxy resin or ink or the like.，下面是Surface acoustic wave application element专利的具体信息内容。
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