Patent ID: 6500501
Filing Date: 2002-12-31
Classification: C23C

Abstract:
A process for depositing titanium silicide film on a substrate comprising:placing the substrate within a plasma-enhanced chemical vapor deposition chamber, said chamber including one of a remote source plasma generator for generating a plasma and a generator for generating a plasma within said chamber; admitting vapor-phase tertiary-butyltris-dimethylamido-titanium into said chamber; admitting a vapor phase silicon containing compound into said chamber, said silicon containing compound comprising at least one compound of a silane compound, chlorinated silane compounds, fluorinated silane compounds and organometallic silicon compounds; heating the substrate to a temperature in the range of about 400Â° to 600Â° C.; and generating a plasma converting a portion of the silicon-containing compound into reactive species; and depositing a predominantly titanium silicide film on said substrate, said predominantly titanium silicide film containing less than 5 percent carbon impurities by weight, containing less than 10 percent oxygen impurities by weight, and having a non-annealed sheet resistance of approximately 2 ohms per square.