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:
Jun. 13, 2017
Filed:
Jan. 03, 2012
Nazarali Merchant, San Diego, CA (US);
Aziz S. Shaikh, San Diego, CA (US);
Chandrashekhar S. Khadilkar, Broadview Heights, OH (US);
Srinivasan Sridharan, Strongsville, OH (US);
Hong Jiang, Irvine, CA (US);
Nazarali Merchant, San Diego, CA (US);
Aziz S. Shaikh, San Diego, CA (US);
Chandrashekhar S. Khadilkar, Broadview Heights, OH (US);
Srinivasan Sridharan, Strongsville, OH (US);
Hong Jiang, Irvine, CA (US);
Heraeus Precious Metals North America Conshohocken LLC, West Conshohoken, PA (US);
Abstract
A method of reducing bow and/or improving the electrical performance of an aluminum back contacted silicon solar cell includes applying to a silicon wafer substrate a paste including aluminum and an organometallic compound, and firing the substrate. The organometallic compound is a Cto Corganometallic compound of a metal selected from the group consisting of Ag, Al, Ba, Bi, Ca, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Nd, Ni, Sb, Si, Sn, Sr, Ta, V, Zn, Zr. A paste is formed having an exothermic reaction peak at a temperature of at least 300° C. to less than 660° C.