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:
Oct. 10, 2017
Filed:
Oct. 15, 2013
Solarworld Americas Inc., Hillsboro, OR (US);
Harald Hahn, Dresden, DE;
Josh Yaskoff, Talladega, AL (US);
Chris Stapelmann, Portland, OR (US);
Thomas Kranke, Brand-Erbisdorf, DE;
Roman Schiepe, Dresden, DE;
SolarWorld Americas Inc., Hillsboro, OR (US);
Abstract
In various embodiments a solar cell may include a solar cell wafer substrate made of silicon having a major share of mono crystalline structure with {111} crystal plane parallel to one wafer edge; a dielectric layer disposed over the backside of solar cell wafer substrate; a plurality of contact openings extending through the dielectric layer to the solar cell wafer substrate; a plurality of metal contacts formed in the plurality of contact openings; and a metal layer disposed over the dielectric layer; wherein the metal layer is electrically coupled to the solar cell wafer substrate by means of the plurality of metal contacts; wherein at least one contact opening of the plurality of contact openings extends non parallel to {111} crystal plane.