Patent ID: 6159856
Filing Date: 2000-12-12
Classification: H01L

Abstract:
A method of manufacturing a semiconductor device with a silicide layer, including steps of:forming a refractory metal film of a thickness .ltoreq.20 nm on a surface of a semiconductor substrate made of silicon;producing crystal damage in a region adjacent to an interface between said refractory metal film and said semiconductor substrate by ion implantation of atoms or molecules through said refractory metal film;forming a refractory metal silicide layer through a first heat treatment for silicidation of said refractory metal film, said first heat treatment being a rapid thermal process at a temperature range of 400.degree. C. to 700.degree. C. for 30 seconds or less; thenremoving unreacted refractory metal film; and thenperforming a second heat treatment at a temperature of 400.degree. C. to 700.degree. C. and for more than a minute.