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