Patent ID: 7569887
Filing Date: 2009-08-04
Classification: H01L

Abstract:
1. A semiconductor device comprising: a substrate having an active region surrounded by an isolation region; a first gate electrode formed on said active region through a gate insulating film; a second gate electrode formed on said gate insulating film, said second gate electrode being located on both opposite sides of said first gate electrode when viewed in cross section and having a bent shape overlapping a boundary between said active region and said isolation region, said second gate electrode being separated from said first gate electrode; and a source and a drain formed in said active region and located apart from said isolation region, wherein said second gate electrode includes two C-shaped parts whose apertures face each other, said two C-shaped parts being located on opposite sides of said first gate electrode when viewed in cross section, and further comprising a first contact to one of said source and drain inside the aperture of one said C-shaped parts and a second contact to one of said source and drain inside the aperture of the opposite one of said C-shaped parts.