METHOD FOR FABRICATING MOS TRANSISTOR

A method of fabricating a MOS transistor includes the steps of: providing a substrate; forming a gate structure on the substrate; forming a first spacer on the sidewall of the gate structure and forming at least a recess within the substrate next to the first spacer; performing an oxygen-containing...

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Bibliographische Detailangaben
Hauptverfasser: CHENG YAI, HUANG GINN, WANG YU-REN, WANG SHAO-WEI, LU TSUO-WEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of fabricating a MOS transistor includes the steps of: providing a substrate; forming a gate structure on the substrate; forming a first spacer on the sidewall of the gate structure and forming at least a recess within the substrate next to the first spacer; performing an oxygen-containing process to form an oxygen-containing layer on the surface of the recess; performing a cleaning process to remove the oxygen-containing layer; performing an epitaxial process to form an epitaxial layer in the recess; and removing the first spacer.