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