Applied Materials, Inc.
SLURRY TEMPERATURE CONTROL BY MIXING AT DISPENSING
Last updated:
Abstract:
A chemical mechanical polishing system includes a platen to support a polishing pad having a polishing surface, a source of a heating fluid, a reservoir to hold a polishing liquid, and a dispenser having one or more apertures suspended over the platen to direct the polishing liquid onto the polishing surface, wherein the source of the heating fluid is coupled to the dispenser and configured to deliver the heating fluid into the polishing liquid to heat the polishing liquid after the polishing liquid leaves the reservoir and before the polishing liquid is dispensed onto the polishing surface.
Status:
Grant
Type:
Utility
Filling date:
26 Mar 2020
Issue date:
18 Feb 2021