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. 13, 2004
Filed:
Nov. 25, 2002
Applicant:
Inventors:
Axel Preusse, Radebeul, DE;
Gerd Marxsen, Radebeul, DE;
Assignee:
Advanced Micro Devices, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 2/112 ; C25D 5/00 ;
U.S. Cl.
CPC ...
C25D 2/112 ; C25D 5/00 ;
Abstract
In an electroplating apparatus for semiconductor wafers, the currents to each of a plurality of contact portions contacting the wafer edge are individually adjustable and/or a parameter indicative of the current flow in each contact portion may be determined. Moreover, for precise control of the currents, means are provided for monitoring the currents.