SYSTEMS AND METHODS FOR OHMIC CONTACTS IN SILICON CARBIDE DEVICES

SYSTEMS AND METHODS FOR OHMIC CONTACTS IN SILICON CARBIDE DEVICES

A silicon carbide device is presented that includes a gate electrode disposed over a portion of a silicon carbide substrate as well as a dielectric film disposed over the gate electrode. The device has a contact region disposed near the gate electrode and has a layer disposed over the dielectric fil...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GHANDI, REZA, STUM, ZACHARY MATTHEW
Format: Patent
Sprache:eng ; fre
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A silicon carbide device is presented that includes a gate electrode disposed over a portion of a silicon carbide substrate as well as a dielectric film disposed over the gate electrode. The device has a contact region disposed near the gate electrode and has a layer disposed over the dielectric film and over the contact region. The layer includes nickel in portions disposed over the dielectric film and includes nickel silicide in portions disposed over the contact region. The nickel silicide layer is configured to provide an ohmic contact to the contact region of the silicon carbide device.