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:
Aug. 30, 2005
Filed:
Aug. 09, 2002
Applicant:
Peter M. Robertson, Hoehenschaftlarn, DE;
Inventor:
Peter M. Robertson, Hoehenschaftlarn, DE;
Assignee:
Advanced Technology Materials, Inc., Danbury, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N027/42 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method and apparatus for determining concentrations of various organic additives in metal electroplating solutions, by utilizing a mathematical correction model in combination with the conventional PCGA chrono-potentiometric analysis method, to eliminate the interaction between the observed electrochemical behavior of various organic additives, and to achieve accurate concentration determination of such additives.