Patent ID: 11961887
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC H

Claim 0:
1. A semiconductor device structure, comprising:
a plurality of semiconductor layers; and
a gate electrode layer surrounding each semiconductor layer of the plurality of semiconductor layers, wherein the gate electrode layer comprises:
a first part; and
a second part below the first part, the second part comprising:
a first portion, wherein an exterior surface of the first portion has a first radius of curvature;
a second portion below the first portion; and
a third portion below the second portion, wherein an exterior surface of the third portion having a second radius of curvature different than the first radius of curvature,
wherein the first portion, the second portion, and the third portion are connected and formed as an integral.