| http://www.w3.org/ns/prov#value | - The difference is that, the first dielectric sheet 1 has a rectangular parallelepiped opening 331 made by punching out with a puncher or a punching mold, and said opening 331 is formed to the side surface of the first dielectric sheet 1 in a manner to be bent at an orthogonal direction to the opening 4, with an electrode material such as a silver paste or a metal plate imbedded in the opening 331
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