POWER SEMICONDUCTOR DEVICE COMPRISING A WIDE BANDGAP SUBSTRATE

A power device comprising a substrate, a first wide bandgap semiconductor material positioned over the substrate, wherein the substrate comprises a second wide bandgap semiconductor material different from the first bandgap semiconductor material, a high voltage transistor formed in the first wide b...

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Bibliographische Detailangaben
Hauptverfasser: UDREA, Florin, EFTHYMIOU, Loizos
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A power device comprising a substrate, a first wide bandgap semiconductor material positioned over the substrate, wherein the substrate comprises a second wide bandgap semiconductor material different from the first bandgap semiconductor material, a high voltage transistor formed in the first wide bandgap semiconductor material, and a high voltage diode associated with the substrate, wherein at least part of the high voltage diode is positioned below at least part of the high voltage transistor. The high voltage diode comprises a drift region, the drift region formed in the second-wide bandgap material.