Entegris, Inc.
Post CMP cleaning compositions for ceria particles

Last updated:

Abstract:

The invention provides 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.

Status:
Grant
Type:

Utility

Filling date:

31 Jul 2019

Issue date:

10 Aug 2021