Patent ID: 11929365
Assignee: ROHM CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The semiconductor device according to claim 1, further comprising:
a drift region of a first conductivity type that is formed inside the semiconductor layer; and
wherein the plurality of IGBT regions each include an FET structure including a body region of a second conductivity type formed in the first main surface, an emitter region of the first conductivity type formed in a surface layer portion of the body region, and a gate electrode layer opposing the body region and the emitter region via a gate insulating layer and a collector region of the second conductivity type formed in a surface layer portion of the second main surface, and
the plurality of diode regions each include a first impurity region of the second conductivity type formed in a surface layer portion of the first main surface and a second impurity region of the first conductivity type formed in a surface layer portion of the second main surface.