Method of in-line diffusion for solar cells

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United States of America Patent

PATENT NO 9093598
APP PUB NO 20140308805A1
SERIAL NO

13861537

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Abstract

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A method is provided for the simultaneous diffusion of dopants of different types on respective sides of a solar cell wafer in a single stage process. The dopants are applied to respective sides of the wafer in wet chemical form preferably by pad printing. The doping materials can be applied to the entire wafer surface or effective area thereof, or can be applied in a pattern to suit the intended solar cell configuration. In a typical embodiment, the dopants are boron and phosphorus.

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Patent Owner(s)

Patent OwnerAddress
BTU INTERNATIONAL INC23 ESQUIRE ROAD N BILLERICA MA 01862

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bottari, Frank Acton, US 2 7
Richter, Paul J Chelmsford, US 18 811

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