Patent ID: 11901407
Assignee: NEXPERIA B.V.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The semiconductor device according to claim 5, wherein, with respect to the direction perpendicular to the circumference of the active area, a dopant concentration of the field relief elements and a dopant concentration of the field relief rings increases when moving away from the active area;
wherein, with respect to the direction perpendicular to the circumference of the active area, a dopant concentration of the JTE region decreases when moving away from the active area;
wherein, with respect to the direction perpendicular to the circumference of the active area, a spacing between adjacent field relief sub-regions increases when moving away from active area; and
wherein, with respect to the direction perpendicular to the circumference of the active area, a length of the plurality of field relief elements along the circumferential direction increases when moving away from the active area.