Applied Materials, Inc.
Contact over active gate structure
Last updated:
Abstract:
Methods of forming and processing semiconductor devices which utilize a three-color hardmask process are described. Certain embodiments relate to the formation of self-aligned contacts for metal gate applications. More particularly, certain embodiments relate to the formation of self-aligned gate contacts utilizing selective deposition of masks in a three-color process.
Status:
Grant
Type:
Utility
Filling date:
3 Sep 2019
Issue date:
23 Feb 2021