The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2014
Filed:
Nov. 29, 2011
Jason Wright, Saratoga, CA (US);
Jason Wright, Saratoga, CA (US);
Intermolecular, Inc., San Jose, CA (US);
Abstract
A processing chamber is provided. The processing chamber includes a lid having a plurality of valves affixed thereto, the plurality of valves operable to enable process gases to flow into the chamber. The chamber includes a bottom portion, where the bottom portion includes a base and side walls extending from the base. A surface of the base is configured to support a substrate. A showerhead is affixed to a bottom surface of the lid. A bottom surface of the showerhead is configured to include a central port for providing process gases into the chamber. The central port is surrounded by an annular pump channel. The annular pump channel is surrounded by an annular purge channel, where a first ridge separates the delivery region and the annular pump channel and a second ridge separates the annular pump channel and the annular purge channel.