Patent ID: 8034176
Filing Date: 2011-10-11
Classification: H01L

Abstract:
1. A treatment system comprising: a process chamber, including a process space; a remote radical generation system coupled to said process chamber and configured to receive process gas and produce radicals from said process gas; a gas distribution system configured to receive and distribute a flow of said radicals within said process space, wherein said gas distribution system comprises a diffuser having a diffuser inlet coupled to an outlet of said radical generation system and a diffuser outlet coupled to said process space in said process chamber, and wherein said diffuser comprises a first entrant region having a substantially conical volume and a second entrant region having a substantially conical volume; a diffuser plate located at an outlet of the second entrant region, and including a conical center body supported by the diffuser plate; a pedestal coupled to said process chamber and configured to support a substrate in said process space of the process chamber and adjust the temperature of said substrate; and a vacuum pumping system coupled to said process chamber and configured to evacuate said process chamber.