| 摘要 |
A gate electrode is formed on a silicon substrate, and then source/drain regions are formed at both sides of the gate electrode in the silicon substrate. Thereafter, an alloyed silicide layer is formed on the source/drain regions. The step of forming the alloyed silicide layer includes the step of depositing a first metal film, a nickel film and a second metal film in this order to form a multilayer metal film and the step of performing heat treatment after the formation of the multilayer metal film.
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