Applied Materials, Inc.
Seamless Gapfill With Dielectric ALD Films

Last updated:

Abstract:

Methods for filling a substrate feature with a seamless dielectric gap fill are described. Methods comprise sequentially depositing a film with a seam, etching the the film to form a recess, and depositing a second film in the recess to form a seamless gap fill.

Status:
Grant
Type:

Utility

Filling date:

20 Sep 2019

Issue date:

25 Mar 2021