| 摘要 |
According to one embodiment, a switch device includes a first switching unit provided on a base substance. The first switching unit includes a first supporting electrode, a first beam, a first contact point electrode, a first floating conductive layer and a first control electrode. The first supporting electrode is fixed to the base. The first beam includes a first holding part and a first movable part. The first holding part is fixed to the base. The first movable part has one end connected to the first holding part. The first contact point electrode is fixed to the base and faces the first movable part. The first floating conductive layer is fixed to the first movable part via a first insulating part and stores a charge. The first control electrode is fixed to the base and faces the first floating conductive layer.
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