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:
Jul. 28, 2009
Filed:
Oct. 23, 2006
Applicants:
Shinya Nishimoto, Nirasaki, JP;
Kouji Mitsuhashi, Nirasaki, JP;
Hiroyuki Nakayama, Nirasaki, JP;
Inventors:
Assignee:
Tokyo Electron Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); C23C 16/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention presents an improved upper electrode for a plasma processing system, wherein the design and fabrication of an electrode plate with a deposition shield coupled to the upper electrode advantageously provides gas injection of a process gas with substantially minimal erosion of the upper electrode while providing protection to a chamber interior.