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:
Mar. 15, 2016
Filed:
Jun. 06, 2011
Kathryn C. Fisher, Brooklyn, NY (US);
Qiang Huang, Sleepy Hollow, NY (US);
Satyavolu S. Papa Rao, Poughkeepsie, NY (US);
Kathryn C. Fisher, Brooklyn, NY (US);
Qiang Huang, Sleepy Hollow, NY (US);
Satyavolu S. Papa Rao, Poughkeepsie, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A photovoltaic device, such as a solar cell, including a copper-containing-grid metallization structure that contains a metal phosphorus layer as a diffusion barrier is provided. The copper-containing-grid metallization structure includes, from bottom to top, an electroplated metal phosphorus layer that does not include copper or a copper alloy located within a grid pattern formed on a front side surface of a semiconductor substrate, and an electroplated copper-containing layer. A method of forming such a structure is also provided.