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. 16, 2016
Filed:
May. 15, 2007
Applicants:
Holger Kühnlein, Vörstetten, DE;
Jörg Schulze, Oranienburg, DE;
Torsten Voss, Glienicke, DE;
Inventors:
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/58 (2006.01); H01L 31/032 (2006.01); C23C 18/40 (2006.01); C23C 18/48 (2006.01); C25D 5/10 (2006.01); C25D 5/48 (2006.01); H01L 31/06 (2012.01);
U.S. Cl.
CPC ...
H01L 31/0322 (2013.01); C23C 18/40 (2013.01); C23C 18/48 (2013.01); C25D 3/58 (2013.01); C25D 5/10 (2013.01); C25D 5/48 (2013.01); H01L 31/06 (2013.01); Y02E 10/541 (2013.01);
Abstract
To be able to form a copper-zinc-tin alloy which optionally comprises at least one chalcogenide and thus forms a semiconductor without the use of toxic substances a metal plating composition for the deposition of a copper-zinc-tin alloy is disclosed, wherein said metal plating composition comprises at least one copper plating species, at lease one zinc plating species, at least one tin plating species and at least one complexing agent and further, if the alloy contains at least one chalcogen, at least one chalcogen plating species.