Patent ID: 8921926

Claim:
A semiconductor device, comprising: a fin-shaped silicon layer formed on a silicon substrate; a first insulating film formed around the fin-shaped silicon layer; a pillar-shaped silicon layer formed on the fin-shaped silicon layer, the pillar-shaped silicon layer having a width equal to a width of the fin-shaped silicon layer; a gate insulating film formed around the pillar-shaped silicon layer; a gate electrode having a laminated structure that includes a metal film and a polysilicon film formed around the gate insulating film, the polysilicon film having a thickness smaller than the width of the pillar-shaped silicon layer; a gate line that is connected to the gate electrode and extends in a direction orthogonally intersecting the fin-shaped silicon layer; a second diffusion layer formed in an upper portion of the fin-shaped silicon layer and in a lower portion of the pillar-shaped silicon layer; a first diffusion layer formed in an upper portion of the pillar-shaped silicon layer; a silicide formed in an upper portion of the second diffusion layer; and a silicide formed in an upper portion of the first diffusion layer.