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:
May. 14, 2002
Filed:
Sep. 07, 1999
Applicant:
Inventor:
Joseph W. Buckfeller, Orlando, FL (US);
Assignee:
Agere Systems Guardian Corp., Berkeley, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/13065 ;
U.S. Cl.
CPC ...
H01L 2/13065 ;
Abstract
Improvements of the shielding of the reactor chamber in a radio frequency (RF) reactor are realized by providing dressed edges on the apertures found in the shield. These improvements to the reactor chamber lead to decreased defect density on processed wafers and eliminate the need for frequent cleaning of the reactor chamber.