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:
Dec. 03, 2019
Filed:
May. 17, 2017
Applicant:
Atotech Deutschland Gmbh, Berlin, DE;
Inventors:
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 21/12 (2006.01); C25D 3/38 (2006.01); G01N 27/42 (2006.01); G01N 27/416 (2006.01);
U.S. Cl.
CPC ...
C25D 21/12 (2013.01); C25D 3/38 (2013.01); G01N 27/42 (2013.01); G01N 27/4166 (2013.01);
Abstract
The present invention relates to a method for monitoring the total amount of brighteners in an acidic copper/copper alloy plating bath during a copper/copper alloy plating process, the use of such a method for controlling a plating process, a controlled process for electrolytically depositing copper/copper alloy onto a substrate utilizing the method for monitoring according to the present invention, and the use of one or more than one redox active compound for monitoring and/or determining the total amount of brighteners in the acidic copper/copper alloy plating bath.