Patent ID: 11876051
Assignee: NANYA TECHNOLOGY CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A semiconductor device, comprising:
a substrate;
a gate structure positioned on the substrate;
a gate contact comprising:
a gate contact barrier layer positioned on the gate structure and comprising titanium nitride having a columnar grain structure;
a gate contact intervening layer positioned on the gate contact barrier layer and comprising tungsten silicide;
a gate contact filler layer positioned on the gate contact barrier layer and comprising tungsten;
wherein a thickness of the gate contact intervening layer is greater than about 4.1 nm;
wherein the gate contact intervening layer comprises a gate contact intervening nucleation layer positioned on the gate contact barrier layer and a gate contact intervening bulk layer positioned on the gate contact intervening nucleation layer.