SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

In order that a top surface of a gate electrode does not have sharp portions, ends of the top surface of the gate electrode are rounded before refractory metal is deposited for silicidation. This reduces intensive application of film stresses which are generated in heat treatment, enabling formation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KANEGAE KENSHI, TSUZUMITANI AKIHIKO, IKEDA ATSUSHI
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:In order that a top surface of a gate electrode does not have sharp portions, ends of the top surface of the gate electrode are rounded before refractory metal is deposited for silicidation. This reduces intensive application of film stresses which are generated in heat treatment, enabling formation of a silicide layer with a uniform, sufficient thickness.