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:
28 Sep 2021