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:
Nov. 06, 2012
Filed:
Mar. 05, 2009
Applicants:
Juergen Barthelmes, Berlin, DE;
Robert Ruether, Oranienburg, DE;
Olaf Kurtz, Berlin, DE;
Michael Danker, Berlin, DE;
Inventors:
Juergen Barthelmes, Berlin, DE;
Robert Ruether, Oranienburg, DE;
Olaf Kurtz, Berlin, DE;
Michael Danker, Berlin, DE;
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a layer system comprising on a substrate, the surface of which has been electropolished, (i) a Ni layer having a thickness ≦3.0 μm, (ii) a Ni—P layer having a thickness ≦1.0 μm, and (iii) a Au layer having a thickness ≦1.0 μm.