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.

Date of Patent:
Jun. 09, 2015

Filed:

Feb. 26, 2014
Applicant:

Gtat Corporation, Merrimack, NH (US);

Inventors:

Robert Brainard, Sunnyvale, CA (US);

Gopal Prabhu, San Jose, CA (US);

David Tanner, San Jose, CA (US);

Dong Xu, Fremont, CA (US);

Assignee:

GTAT Corporation, Merrimack, NH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 29/06 (2006.01); H01L 31/0224 (2006.01); C25D 1/00 (2006.01);
U.S. Cl.
CPC ...
H01L 31/022425 (2013.01); C25D 1/00 (2013.01);
Abstract

A photovoltaic cell and method of forming the cell includes providing an electroformed metallic article having a plurality of electroformed elements that form a free-standing, unitary piece. The metallic article has gridlines that are spaced apart at a pitch P. A semiconductor substrate has a top surface with a plurality of silver, where at least one of the silver patterns comprises pattern segments spaced apart at a pitch P. The pattern segments have a length Ldefined by the equation L=P−k*P/2, k being a value from 1.0 to 1.4. The metallic article is coupled to the semiconductor substrate, in which a first electroformed element in the plurality of electroformed elements is coupled to a first silver pattern in the plurality of silver patterns.


Find Patent Forward Citations

Loading…