FABRICATION OF TRANSISTORS WITH A FULLY SILICIDED GATE ELECTRODE AND CHANNEL STRAIN

FABRICATION OF TRANSISTORS WITH A FULLY SILICIDED GATE ELECTRODE AND CHANNEL STRAIN

An integrated circuit includes one or more transistors on or in a semiconductor substrate. At least one of the transistors includes a gate electrode and source and drain structures. The gate electrode has a fully silicided gate electrode layer with a ratio of Ni:Si ranging from about 2:1 to about 3:...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PAS MICHAEL FRANCIS, YU SHAOFENG
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:An integrated circuit includes one or more transistors on or in a semiconductor substrate. At least one of the transistors includes a gate electrode and source and drain structures. The gate electrode has a fully silicided gate electrode layer with a ratio of Ni:Si ranging from about 2:1 to about 3:1. The source and drain structures are located in openings of the substrate and adjacent to the gate electrode. The source and drain structures are filled with SiGe to produce stress in the transistor channel region.