Method for silicidation of semiconductor device, and corresponding semiconductor device

Method for silicidation of semiconductor device, and corresponding semiconductor device

A method of fabricating a semiconductor device includes forming a protective layer on a portion of the semiconductor body that is not to be silicided. The protective layer includes a silicon oxide layer and a silicon nitride layer over the silicon oxide layer. At least a portion of the silicon nitri...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Gonnard, Olivier, Monnier, Denis
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:A method of fabricating a semiconductor device includes forming a protective layer on a portion of the semiconductor body that is not to be silicided. The protective layer includes a silicon oxide layer and a silicon nitride layer over the silicon oxide layer. At least a portion of the silicon nitride layer of the protective layer is removed. A silicided portion of the semiconductor body is laterally spaced from the protective layer. The siliciding is performed by an ion sputtering in a plasma environment on both the silicided portion of the semiconductor body and the portion of the semiconductor body that is not to be silicided.