Patent ID: 11948864
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The semiconductor device according to claim 1, 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 decreasing with increasing distance in the second direction from the first wiring.