Patent ID: 6713834
Filing Date: 2004-03-30
Classification: H01L

Abstract:
A semiconductor device comprising:a semiconductor substrate including plural trenches on a surface; first and second insulators placed in the trenches respectively, and upper portions of side faces of said first and second insulators are higher than the surface of said substrate; a third insulation film disposed on the surface of said substrate, one end of said third insulation film contacts with said first insulator, and the other end of said third insulation film contacts with said second insulator; a first conductor disposed on a surface of said third insulation film, one end face of said first conductor contacts with said first insulator, and the other end face of said first conductor contacts with said second insulator; a second conductor disposed at a vicinity of said one end face of said first conductor and above said first conductor; a third conductor disposed at a vicinity of the other end face of said first conductor and above said first conductor; a fourth insulation film contacting with a first side face of said second conductor and a second side face of said third conductor and contacting with a top face of said first conductor; and a fourth conductor disposed on said fourth insulation film.