Patent · US Active

Photovoltaic back contact

US8603253B2 · kind B2 · utility

2Cited by

3References

22Claims

0Family size

Assignee

First Solar, Inc. · US

Inventors

Pratima Addepalli · Saline, US
John S. Deeken · Toledo, US
Oleh Karpenko · San Jose, US

Key dates

Filing date	Sep 10, 2010
Grant date	Dec 10, 2013
Priority date	—
Expiry date	Mar 24, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method to preparing Cadmium telluride surface before forming metal back contact is disclosed. The method can include removing carbon from Cadmium telluride surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.