Patent ID: 11929287
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC H

Claim 8:
9. A semiconductor device, comprising:
a fin structure on a substrate, wherein the fin structure comprises:
a fin top portion and a fin bottom portion, wherein the fin top portion comprises an epitaxial fin structure and a stacked fin structure having at least one semiconductor layer; and
an isolation layer between the stacked fin structure and the fin bottom portion;

a gate structure surrounding the at least one semiconductor layer of the stacked fin structure;
a spacer structure between the gate structure and the epitaxial fin structure;
a dielectric liner between the stacked fin structure and the spacer structure;
a capping structure on the gate structure; and
a contact structure on the epitaxial fin structure.