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:
Sep. 09, 2014
Filed:
May. 29, 2009
Torsten Voss, Glienicke/Nordbahn, DE;
Jöerg Schulze, Oranienburg, DE;
Andreas Kirbs, Potsdam, DE;
Aylin Machmor, Riedstadt, DE;
Heiko Brunner, Berlin, DE;
Bernd Fröese, Berlin, DE;
Ulrike Engelhardt, Ketsch, DE;
Torsten Voss, Glienicke/Nordbahn, DE;
Jöerg Schulze, Oranienburg, DE;
Andreas Kirbs, Potsdam, DE;
Aylin Machmor, Riedstadt, DE;
Heiko Brunner, Berlin, DE;
Bernd Fröese, Berlin, DE;
Ulrike Engelhardt, Ketsch, DE;
Atotech Deutschland GmbH, Berlin, DE;
Abstract
The invention relates to electroplating additives for the deposition of a group IB metal/binary or ternary group IB-group IIIA/ternary, quaternary or pentanary group IB-group IIIA-group VIA alloy on substrates useful for thin film solar cells. The additives are thiourea compounds or derivatives which have the general formula (A): wherein Xand Xmay be the same or different and are selected from the group consisting of arylene and heteroarylene; FGand FGmay be the same or different or are selected from the group consisting of —S(O)OH, —S(O)OH, —COOH, —P(O)OH and primary, secondary and tertiary amino groups and salts and esters thereof; R is selected from the group consisting of alkylene, arylene or heteroarylene and n and m are integers from 1 to 5.