Silicon carbide devices and methods for forming silicon carbide devices

Silicon carbide devices and methods for forming silicon carbide devices

A silicon carbide device includes a transistor cell with a front side doping region, a body region, and a drift region. The body region includes a first portion having a first average net doping concentration and a second portion having a second average net doping concentration. The first portion an...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Stegner, Andre Rainer, Schulze, Hans-Joachim, Basler, 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:A silicon carbide device includes a transistor cell with a front side doping region, a body region, and a drift region. The body region includes a first portion having a first average net doping concentration and a second portion having a second average net doping concentration. The first portion and the second portion have an extension of at least 50 nm in a vertical direction. The first average net doping concentration is at least two times the second average net doping concentration, and the first average net doping concentration is at least 1·1017 cm−3.