Patent Translate Powered by EPO and Google Notice This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate, complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or financial decisions, should not be based on machine-translation output. DESCRIPTION JPS592312 [0001] Brief description of the drawings [0002] FIG. 1 is a perspective view of a first embodiment of the present invention, and FIG. 3 is a side view of each of the second, third and fourth embodiments of the present invention, and FIG. 3 is a diagram showing frequency response characteristics of the embodiment of the present invention and the prior art. 1: Piezoelectric body 2, 21 to 25: Matching layer, 3: Backing layer. 03-05-2019 1
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