Patent ID: 9029923
Filing Date: 2015-05-12
Classification: H01L

Abstract:
1. A semiconductor device comprising: a fin-shaped silicon layer on a silicon substrate; a first insulating film around the fin-shaped silicon layer; a pillar-shaped silicon layer on the fin-shaped silicon layer, a width of the pillar-shaped silicon layer being equal to a width of the fin-shaped silicon layer; a first diffusion layer in an upper portion of the fin-shaped silicon layer and in a lower portion of the pillar-shaped silicon layer; a second diffusion layer in an upper portion of the pillar-shaped silicon layer; a gate insulating film around the pillar-shaped silicon layer; a metal gate electrode around the gate insulating film; a metal gate line extending in a direction perpendicular to the fin-shaped silicon layer and connected to the metal gate electrode; a metal gate pad connected to the metal gate line; a contact on the metal gate line; and a nitride film on an entire top surface of the metal gate electrode and the metal gate line except the bottom of the contact.