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Thin film photovoltaic device and process of manufacture

United States Patent

5,674,325
October 7, 1997
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Provided is a thin film photovoltaic device and a method of manufacturing the device. The thin film photovoltaic device comprises a film layer having particles which are smaller than about 30 microns in size held in an electrically insulating matrix material to reduce the potential for electrical shorting through the film layer. The film layer may be provided by depositing preformed particles onto a surrogate substrate and binding the particles in a film-forming matrix material to form a flexible sheet with the film layer. The flexible sheet may be separated from the surrogate substrate and cut into flexible strips. A plurality of the flexible strips may be located adjacent to and supported by a common supporting substrate to form a photovoltaic module having a plurality of electrically interconnected photovoltaic cells.
Albright; Scot P. (Lakewood, CO), Chamberlin; Rhodes (El Paso, TX)
Photon Energy, Inc. (Golden, CO)
08/ 480,452
June 7, 1995
ACKNOWLEDGEMENT OF GOVERNMENT SUPPORT This invention was made with Government support under Subcontract No. ZN-0-19019 awarded by the Midwest Research Institute, National Renewable Energy laboratory Division under Prime Contract No. DE-AC02-83CH10093 awarded by the Department of Energy. The Government has certain rights in this invention.