SiC trench transistor and method for its manufacture

SiC trench transistor and method for its manufacture

An SiC trench transistor having a first terminal and an epitaxial layer positioned vertically between a gate trench and a second terminal; a compensation layer extending horizontally being provided in the epitaxial layer, the compensation layer having an effective doping of a type opposite to the do...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Rambach Martin, Grieb Michael, Qu Ning, Jacke Thomas
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 SiC trench transistor having a first terminal and an epitaxial layer positioned vertically between a gate trench and a second terminal; a compensation layer extending horizontally being provided in the epitaxial layer, the compensation layer having an effective doping of a type opposite to the doping of the epitaxial layer. A method for manufacturing an SiC trench transistor is also provided, an epitaxial layer being provided on a second terminal of the SiC trench transistor; a compensation layer extending horizontally being implanted in the epitaxial layer, the compensation layer having an effective doping of a type opposite to the doping of the epitaxial layer; and a first terminal and a gate trench being provided above the compensation layer.