Patent ID: 7994039
Filing Date: 2011-08-09
Classification: H01L

Abstract:
1. A method of fabricating a semiconductor device, comprising: forming a plurality of Si-based pattern portions above a semiconductor substrate, the plurality of Si-based pattern portions being adjacent in a direction substantially parallel to a surface of the semiconductor substrate via insulating films; forming a metal film above the plurality of Si-based pattern portions and the insulating films so as to contact with the plurality of Si-based pattern portions; processing whole areas or upper portions of the plurality of Si-based pattern portions into a plurality of silicide layers by a silicidation reaction between the plurality of Si-based pattern portions and the metal film by a first heat treatment; removing the plurality of silicide layers formed above the insulating films by applying planarizing treatment to the plurality of silicide layers; removing an unreacted portion of the metal film after applying the planarizing treatment to the plurality of silicide layers; and applying a second heat treatment to the plurality of silicide layers under a temperature condition higher than the first heat treatment, after removing the unreacted portion of the metal film.