Patent ID: 8526199

Claim:
A semiconductor device, comprising: a semiconductor mounting substrate; a mother case having an opening and housing said semiconductor mounting substrate; a plurality of securing members provided along a rim of said mother case constituting said opening; a screw terminal having a flat plate portion, an insertion portion extending from said flat plate portion, and a terminal bottom portion located opposite to said flat plate portion with said insertion portion interposed between said terminal bottom portion and said flat plate portion, secured to said securing members by insertion of said insertion portion between adjacent said securing members, and electrically connected to said semiconductor mounting substrate on said terminal bottom portion side; and a lid member capable of closing said opening with said screw terminal secured to said securing members, the lid member includes an accommodating groove provided in an upper surface of the lid member annularly in a plan view and is configured to accommodate a plurality of nuts, wherein said screw terminal secured to said securing members is bent such that said flat plate portion faces an upper surface of said lid member closing said opening.