Patent ID: 11942529
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC H

Claim 18:
19. A semiconductor device, comprising:
a plurality of semiconductor layers vertically separated from one another, each of the plurality of semiconductor layers extending along a first lateral direction between a first source/drain structure and a second source/drain structure;
a gate structure extending along a second lateral direction and comprising at least a lower portion that wraps around each of the plurality of semiconductor layers; and
an inner spacer disposed between the lower portion of the gate structure and the first or second source/drain structure, and comprising a first group and a second group;
wherein each of the first group of the inner spacer contacts a first end of a corresponding one of the plurality of first gate sections, and each of the second group of the inner spacer contacts a second end of a corresponding one of the plurality of second gate sections; and
wherein the first end has a single arc, and the second end has a plurality of arcs connected to one another.