Entegris, Inc.
POST CHEMICAL MECHANICAL POLISHING CLEANING COMPOSITIONS
Last updated:
Abstract:
A removal composition and process for cleaning post-chemical mechanical polishing (CMP) contaminants and ceria particles from a microelectronic device having said particles and contaminants thereon. The composition achieves highly efficacious removal of the ceria particles and CMP by-product contaminant material from the surface of the microelectronic device without compromising the low-k dielectric, silicon nitride, or tungsten-containing materials.
Status:
Application
Type:
Utility
Filling date:
20 Nov 2019
Issue date:
11 Jun 2020