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.:

US 8541048 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 24, 2013

Filed:

May. 07, 2009
Applicants:

Craig Leidholm, Sunnyvale, CA (US);

Brent Bollman, San Jose, CA (US);

Inventors:

Craig Leidholm, Sunnyvale, CA (US);

Brent Bollman, San Jose, CA (US);

Assignee:

Nanosolar, Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 5/12 (2006.01); H01L 21/00 (2006.01); H01L 21/06 (2006.01); H01L 27/14 (2006.01); H01L 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An absorber layer of a photovoltaic device may be formed on an aluminum or metallized polymer foil substrate. A nascent absorber layer containing one or more elements of group IB and one or more elements of group IIIA is formed on the substrate. The nascent absorber layer and/or substrate is then rapidly heated from an ambient temperature to an average plateau temperature range of between about 200° C. and about 600° C. and maintained in the average plateau temperature range 1 to 30 minutes after which the temperature is reduced.


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Leidholm, Craig. (2013). Formation of photovoltaic absorber layers on foil substrates (U.S. Patent No. 8541048). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8541048

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