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.:

US 8801844 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 12, 2014

Filed:

Jan. 11, 2012
Applicants:

Arnd Kilian, Berlin, DE;

Jens Wegricht, Berlin, DE;

Isabel-roda Hirsekorn, Paulinenaue, DE;

Inventors:

Arnd Kilian, Berlin, DE;

Jens Wegricht, Berlin, DE;

Isabel-Roda Hirsekorn, Paulinenaue, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 18/52 (2006.01); C09D 1/00 (2006.01); C23C 18/31 (2006.01);
U.S. Cl.
CPC ...
C09D 1/00 (2013.01); C23C 18/52 (2013.01); C23C 18/31 (2013.01);
Abstract

An autocatalytic tin plating bath containing Snions, Tiions as reducing agent, an organic complexing agent and phenanthroline or a derivative thereof as stabilizing agent is disclosed. The plating bath is suitable for manufacture of printed circuit boards, IC substrates and metallization of semiconductor wafers.


Find Patent Forward Citations

Loading…