A semiconductor device according to an embodiment includes a silicon carbide layer having a first and second plane, first and second trench extending in first direction, and in the silicon carbide layer, n-type first region, p-type second region between the n-type first region and the first plane and between the first and second trench, p-type fifth region covering bottom of the first trench, p-type sixth region covering bottom of the second trench, n-type seventh region between the fifth region and the second region, n-type eighth region between the sixth and second regions, p-type ninth regions contacting the fifth and second regions, and p-type tenth regions contacting the sixth region and the second region, the ninth and tenth regions repeatedly disposed in the first direction, and a line segment connecting the ninth region and the tenth region is oblique with respect to second direction perpendicular to the first direction.
Semiconductor device, inverter circuit, driving device, vehicle, and elevator
2020-09-08
Patent
Electronic Resource
English
IPC: | H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B66B Aufzüge , ELEVATORS / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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