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:
Jan. 11, 2011
Filed:
May. 21, 2007
Applicants:
Jose Tong, Pleasanton, CA (US);
Eric H. Lenz, Pleasanton, CA (US);
Inventors:
Jose Tong, Pleasanton, CA (US);
Eric H. Lenz, Pleasanton, CA (US);
Assignee:
Lam Research Corporation, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); C23C 16/00 (2006.01); C23C 14/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An adjustable RF coupling ring is capable of reducing a vertical gap between a substrate and a hot edge ring in a vacuum processing chamber. The reduction of the gap reduces polymer deposits on the substrate and electrostatic chuck and improves wafer processing.