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. 05, 2011
Filed:
Dec. 11, 2008
Applicants:
Yuichiro Sasaki, Osaka, JP;
Katsumi Okashita, Osaka, JP;
Bunji Mizuno, Nara, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A top plate, disposed on an upper portion of a vacuum container so as to face a substrate-placing area of a sample electrode, is provided with an impurity-containing film that contains an impurity, and is formed on a top plate peripheral edge portion area that is a face exposable to a plasma generated in the vacuum container, and is located on a peripheral edge of a top plate center portion area that faces the center portion of the substrate-placing area.