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:
Feb. 11, 2014
Filed:
Feb. 05, 2009
Applicants:
Philip Hartmann, Berlin, DE;
Lars Kohlmann, Berlin, DE;
Heiko Brunner, Berlin, DE;
Klaus-dieter Schulz, Falkensee, DE;
Inventors:
Philip Hartmann, Berlin, DE;
Lars Kohlmann, Berlin, DE;
Heiko Brunner, Berlin, DE;
Klaus-Dieter Schulz, Falkensee, DE;
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/60 (2006.01); C25D 3/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aqueous cyanide-free electrolyte bath for plating of tin alloy layers on substrate surfaces comprising (i) a tin ion source and a source for another alloy element, characterized in that it further contains (ii) N-methyl pyrrolidone is described.