Patent attributes
A semiconductor device includes a semiconductor substrate; a plurality of semiconductor fin structures formed on the semiconductor substrate; a plurality of gate structures, each formed on a semiconductor fin structure; a source electrode and a drain electrode formed on two opposite sides of each gate structure, wherein, at least a portion of the source electrode and at least a portion of the drain electrode are formed in the semiconductor fin structure; a covering layer formed on the semiconductor fin structures and also on two side surfaces of each gate structure; and an interlayer dielectric layer formed on the covering layer, wherein the interlayer dielectric layer covers each source electrode and each drain electrode, a trench is formed in the interlayer dielectric layer to expose a portion of each semiconductor fin structure, and a gate structure is formed in each trench.