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. 26, 2016
Filed:
Dec. 09, 2013
Applicant:
Atotech Deutschland Gmbh, Berlin, DE;
Inventors:
Philip Hartmann, Berlin, DE;
Klaus-Dieter Schulz, Berlin, DE;
Lars Kohlmann, Berlin, DE;
Heiko Brunner, Berlin, DE;
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/58 (2006.01); C25D 3/60 (2006.01);
U.S. Cl.
CPC ...
C25D 3/58 (2013.01); C25D 3/60 (2013.01);
Abstract
A pyrophosphate-containing bath for the cyanide-free deposition of copper alloys on substrate surfaces, comprising a reaction product of a secondary monoamine with a diglycidyl ether, is described. The electrolyte bath is suitable for the galvanic deposition of glossy white, even and uniform copper-tin alloy coatings.