ELECTRODE

To provide an electrode with a simplified structure and reduced cost.SOLUTION: A device has a disc-shaped metal plate 1, a dielectric 2 bonded and fixed to the lower surface of the metal plate 1, and a cover which fixes the end of the dielectric 2. The cover has an opening, and a space is provided b...

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Sprache:eng ; jpn
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Zusammenfassung:To provide an electrode with a simplified structure and reduced cost.SOLUTION: A device has a disc-shaped metal plate 1, a dielectric 2 bonded and fixed to the lower surface of the metal plate 1, and a cover which fixes the end of the dielectric 2. The cover has an opening, and a space is provided between the outer periphery of the metal plate 1 and the inner periphery of the opening of the cover. A distance between the outer periphery of the metal plate 1 and the inner periphery of the opening of the cover is at least 1 cm. The covers are a top cover 3 and a bottom cover 4 which sandwich the edges of the dielectric 2.SELECTED DRAWING: Figure 1 【課題】構造が簡易化されるとともに低コスト化された電極を提供する。【解決手段】円板状の金属板1と、金属板1の下面に接着固定された誘電体2と、誘電体2の端部を固定するカバーと、と有し、カバーは開口部が設けられ、金属板1の外周面と、カバーの開口部の内周面との間には、空間が設けられている。金属板1の外周面と、カバーの開口部の内周面との間の距離が、1cm以上である。カバーが、誘電体2の端部を挟持する上面カバー3および下面カバー4である。【選択図】図1