Method of fabricating n-channel metal-oxide semiconductor transistor

A method of fabricating an NMOS transistor, in which, an epitaxial silicon layer is formed before a salicide process is performed, then a nickel layer needed for the salicide process is formed, and, thereafter, a rapid thermal process is performed to allow the nickel layer to react with the epitaxia...

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Bibliographische Detailangaben
Hauptverfasser: WANG IANG, CHOU LINGUN, CHEN MING-TSUNG
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of fabricating an NMOS transistor, in which, an epitaxial silicon layer is formed before a salicide process is performed, then a nickel layer needed for the salicide process is formed, and, thereafter, a rapid thermal process is performed to allow the nickel layer to react with the epitaxial silicon layer and the silicon substrate under the epitaxial silicon layer to form a nickel silicide layer.