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:
Apr. 07, 2015
Filed:
Nov. 23, 2010
Alistair Graeme Prince, Bristol, GB;
Richard John Sheffield Young, Somerset, GB;
Giovanna Laudisio, Bristol, GB;
Gary Coultart, Bristol, GB;
Kenneth Warren Hang, Hillsborough, NC (US);
Ben Whittle, Bristol, GB;
Alistair Graeme Prince, Bristol, GB;
Richard John Sheffield Young, Somerset, GB;
Giovanna Laudisio, Bristol, GB;
Gary Coultart, Bristol, GB;
Kenneth Warren Hang, Hillsborough, NC (US);
Ben Whittle, Bristol, GB;
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
An aluminum paste comprising particulate aluminum, an organic vehicle and glass frit selected from (i) lead-free glass frits with a softening point temperature in the range of 550 to 611° C. and containing 11 to 33 wt.-% of SiO, >0 to 7 wt.-% of AlOand 2 to 10 wt.-% of BOand (ii) lead-containing glass frits with a softening point temperature in the range of 571 to 636° C. and containing 53 to 57 wt.-% of PbO, 25 to 29 wt.-% of SiO, 2 to 6 wt.-% of AlOand 6 to 9 wt.-% of BO, useful in the production of aluminum back electrodes of PERC silicon solar cells.