Patent ID: 7297286

Claim:
A method for manufacturing an article, the article having polymeric residue that is to be removed during the manufacture of the article, comprising the steps of: introducing the article into a controlled environment of a processing tool, the processing tool having one or more processing chambers; generating free radicals from one or more reactant gases and introducing the free radicals into at least one of the one or more processing chambers, wherein the free radicals react with the polymeric residue; and supplying a cryogenic cleaning medium into at least one of the one or more processing chambers, wherein the cryogenic cleaning medium removes the polymeric residue present after the free radicals react with the polymeric residue; wherein the reactant gases are selected to facilitate removal of the polymeric residue with the cryogenic cleaning medium; wherein the cryogenic cleaning medium is supplied with a pulsating flow via a nozzle implement that sweeps across the article.