Patent ID: 7544575

Claim:
A method for forming a semiconductor structure, comprising: providing a semiconductor substrate; forming a first insulating layer over the semiconductor substrate; forming an etched gate stack over the first insulating layer comprising an upper polysilicon layer; forming first spacers over the semiconductor substrate on each side of the etched gate stack; forming source/drain regions in the semiconductor substrate adjacent to the etched gate stack and first spacers; forming a first silicide on any exposed surface of the polysilicon layer and source/drain regions not covered by the first spacers; forming second spacers over the semiconductor substrate on each side of the first spacers and over part of the first silicide; and forming a second silicide on any exposed surface of the polysilicon layer and on any exposed surface of the source/drain regions not covered by the first and second spacers, where the first silicide and the second silicide are different.