Patent ID: 11973135
Assignee: NISSAN MOTOR CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. The semiconductor device according to claim 2, comprising:
a first semiconductor device that is the semiconductor device according to claim 2;
a second semiconductor device that is the semiconductor device according to claim 2 and is adjacent in an extending direction of the main groove provided in the first semiconductor device, and
a stress relaxation structure that relaxes stress applied to at least one of the semiconductor region or the electron supply region in an extending direction of the main groove,, wherein as the stress relaxation structure, a different crystal face is exposed on side surfaces of a first main groove that is the main groove provided in the first semiconductor device and on side surfaces of a second main groove that is the main groove provided in the second semiconductor device.