High voltage GaN-based transistor structure

High voltage GaN-based transistor structure

A high voltage and high power gallium nitride (GaN) transistor structure is disclosed. A plurality of structural epitaxial layers including a GaN buffer layer is deposited on a substrate. A GaN termination layer is deposited on the plurality of structural epitaxial layers. The GaN termination layer...

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Bibliographische Detailangaben
Hauptverfasser: SMART JOSEPH, HOSSE BROOK, GRIDER DAVID, SHEALY JEFFREY B, GIBB SHAWN
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 high voltage and high power gallium nitride (GaN) transistor structure is disclosed. A plurality of structural epitaxial layers including a GaN buffer layer is deposited on a substrate. A GaN termination layer is deposited on the plurality of structural epitaxial layers. The GaN termination layer is adapted to protect the plurality of structural epitaxial layers from surface reactions. The GaN termination layer is sufficiently thin to allow electrons to tunnel through the GaN termination layer. Electrical contacts are deposited on the GaN termination layer, thereby forming a high electron mobility transistor.