Patent ID: 8004045
Filing Date: 2011-08-23
Classification: H01L

Abstract:
1. A semiconductor device comprising: a first fin-shaped semiconductor region formed on a substrate, the first fin-shaped semiconductor region having first-conductivity-type impurity region formed therein; a second fin-shaped semiconductor region formed on the substrate, the second fin-shaped semiconductor region having second-conductivity-type impurity region formed therein; a first gate insulating film formed so as to cover at least a side surface and an upper corner of a predetermined portion of the first fin-shaped semiconductor region, the upper corner of the first fin-shaped semiconductor region having a radius of curvature of r a second gate insulating film formed so as to cover at least a side surface and an upper corner of a predetermined portion of the second fin-shaped semiconductor region, the upper corner of the second fin-shaped semiconductor region having a radius of curvature of r r r