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. 17, 2015
Filed:
Nov. 20, 2012
Applicant:
Macdermid Acumen, Inc., Waterbury, CT (US);
Inventors:
David W. Minsek, New Milford, CT (US);
Lev Taytsas, Naugatuck, CT (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B05D 7/00 (2006.01); H01L 31/18 (2006.01); C23C 18/16 (2006.01); C23C 18/44 (2006.01); C23C 18/54 (2006.01); H01L 31/0224 (2006.01);
U.S. Cl.
CPC ...
H01L 31/18 (2013.01); C23C 18/1608 (2013.01); C23C 18/1667 (2013.01); C23C 18/44 (2013.01); C23C 18/54 (2013.01); H01L 31/022425 (2013.01); Y02E 10/50 (2013.01);
Abstract
A method and composition for plating metal contacts on photovoltaic solar cells is described. The cell is immersed in an aqueous bath containing platable metal ions and a solubilizing agent for aluminum or aluminum alloy ions from the back side of the solar cell. The cell is then exposed to light, causing the two sides of the cell to become oppositely charged. The metal ions are plated without requiring an external electrical contact.