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:
Feb. 14, 2017

Filed:

Sep. 27, 2013
Applicants:

Richard Hamilton Sewell, Los Altos, CA (US);

Paul Loscutoff, Castro Valley, CA (US);

Michel Arsène Olivier Ngamo Toko, Brussels, BE;

Inventors:

Richard Hamilton Sewell, Los Altos, CA (US);

Paul Loscutoff, Castro Valley, CA (US);

Michel Arsène Olivier Ngamo Toko, Brussels, BE;

Assignees:

SunPower Corporation, San Jose, CA (US);

Total Marketing Services, Puteaux, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/18 (2006.01); H01L 31/0224 (2006.01); H01B 1/02 (2006.01); H01L 31/068 (2012.01); H01L 31/0745 (2012.01);
U.S. Cl.
CPC ...
H01B 1/02 (2013.01); H01L 31/022441 (2013.01); H01L 31/0682 (2013.01); H01L 31/0745 (2013.01); Y02E 10/547 (2013.01);
Abstract

A solar cell can include a substrate and a semiconductor region disposed in or above the substrate. The solar cell can also include a conductive contact disposed on the semiconductor region with the conductive contact including a paste, a first metal, and a first conductive portion that includes a conductive alloy formed from the first metal at an interface of the substrate and the semiconductor region.


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