Patent ID: 8278199

Claim:
A method of manufacturing a semiconductor device, comprising the steps of: (a) preparing a semiconductor substrate made of single crystal silicon; (b) forming a semiconductor region over the semiconductor substrate; (c) forming an alloy film of nickel and platinum over the semiconductor substrate including the semiconductor region; (d) forming a platinum-added nickel silicide layer, in a PtNiSi phase by carrying out a first thermal treatment to cause the alloy film and the semiconductor region to react with each other; (e) after the step (d), removing the unreacted alloy film over the platinum-added nickel silicide layer in the PtNiSi phase over the semiconductor region; and (f) after the step (e), carrying out a second thermal treatment with the thermal treatment temperature higher than that of the first thermal treatment, wherein a temperature rise rate of the first thermal treatment in step (d) is 30 to 250° C./s, wherein a temperature rise rate of the second thermal treatment in step (f) is 10° C./s or more wherein a heater heating method is used for the first thermal treatment in step (d), and wherein the second thermal treatment in step (f) is a spike anneal process.