Applied Materials, Inc.
Tungsten deposition without barrier layer

Last updated:

Abstract:

Methods for depositing a metal film without the use of a barrier layer are disclosed. Some embodiments comprise forming an amorphous nucleation layer comprising one or more of silicon or boron and forming a metal layer on the nucleation layer.

Status:
Grant
Type:

Utility

Filling date:

30 Sep 2019

Issue date:

1 Dec 2020