Patent ID: 11948864
Assignee: TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. The semiconductor device according to claim 12, wherein the first source electrode comprises:
a first source wiring extending in the second direction;
a second source wiring spaced from the first source wiring in the first direction and extending in the second direction;
a second element isolation region in the second nitride semiconductor layer between positions of the first source wiring and the second source wiring; and
a third source wiring extending in the second direction on the first source wiring and the second source wiring, wherein
the third source wiring includes a plurality of holes therein aligned with each other along the second direction with spacing between adjacent holes in the second direction being the same for each pair of adjacent holes.