Patent ID: 8753474
Filing Date: 2014-06-17
Classification: C23C,H01J,H01L

Abstract:
1. A baffle nozzle assembly, comprising: an outer body defining an inner volume, wherein the outer body has a first inlet channel open to the inner volume and adapted to connect with a gas source, and the outer body has an outlet; a cylindrical inlet baffle disposed within the inner volume and dividing the inner volume to a first volume and a second volume, wherein the first inlet channel opens near a first end of the first volume, one or more openings located near a second end of the first volume, and the one or more openings connect the first and second volume; and an outlet baffle disposed over the outlet of the outer body, wherein the outlet baffle has one or more first through holes open to the second volume of the inner volume, and the outlet baffle redirects a gas flow from the first through holes.