A semiconductor device of embodiments includes: a silicon carbide layer having a first face and a second face and including a first trench, a second trench having a distance of 100 nm or less from the first trench, a first silicon carbide region of n-type, a second silicon carbide region of p-type between the first trench and the second trench, a third silicon carbide region of n-type between the second silicon carbide region and the first face, a fourth silicon carbide region between the first trench and the second silicon carbide region and containing oxygen, and a fifth silicon carbide region between the second trench and the second silicon carbide region and containing oxygen; a first gate electrode in the first trench; a second gate electrode in the second trench; a first gate insulating layer; a second gate insulating layer; a first electrode; and a second electrode.
SEMICONDUCTOR DEVICE, INVERTER CIRCUIT, DRIVE DEVICE, VEHICLE, AND ELEVATOR
2022-09-29
Patent
Electronic Resource
English
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