Patent ID: 8324694
Filing Date: 2012-12-04
Classification: H01H

Abstract:
1. A MEMS switch comprising: a structural layer having a beam structure wherein at least one end of the structural layer is fixed to a substrate; a lower drive electrode layer and a lower switch electrode layer which are provided below the structural layer and over a surface of the substrate; and an upper drive electrode layer and an upper switch electrode layer which are provided on a first portion of a surface of the structural layer, in which the surface faces the substrate, so as to face the lower drive electrode layer and the lower switch electrode layer, respectively, wherein a width along a direction of the upper switch electrode layer is larger than a width along the direction of the lower switch electrode layer, and wherein a second portion of the surface of the structural layer, on which the upper drive electrode layer and the upper switch electrode layer are not provided, protrudes more downward than bottom surfaces of the upper drive electrode layer and the upper switch electrode layer.