| http://www.w3.org/ns/prov#value | - In the present invention, such as a sheet of a thermo-setting resin is employed as a sealing member during the sealing step, and, through hardening of a surface or the whole of the resin by heating, the surface acoustic wave device and the printed circuit board are sealed maintaining a space portion between the main surface of the surface acoustic wave device which is opposed to the printed circui
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