Patent ID: 11908906
Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. The method according to claim 1, wherein:
the gate structure includes a gate dielectric layer, a work function layer on the gate dielectric layer, and a gate electrode layer on the work function layer, wherein:
the gate dielectric layer is made of a material including one or more of silicon oxide, and a high-K dielectric material,
the work function layer is made of a material including one or more of TiN, TaN, TiAl, TiAlC, TaAlN, TiAlN, TaCN, and AlN, and
the gate electrode layer is made of a material including one or more of tungsten, copper, cobalt, titanium nitride, titanium, tantalum, tantalum nitride, ruthenium, ruthenium nitride, and aluminum.