Aluminum alloy back junction solar cell and a process for fabrication thereof
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Oct 7, 1999
filing date -
Mar 17, 1999
priority date (Note) -
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Abstract
A process for fabricating a solar cell is described. The process includes: (1) providing a base layer, (2) fabricating an emitter layer of p-type conductivity on a same side as the non-illuminated surface of the base layer to provide a strongly doped p-type emitter layer and a p-n junction between the n-type base layer and the p-type emitter layer. The base layer of the present invention has n-type conductivity and is defined by an illuminated surface and a non-illuminated surface. The illuminated surface has light energy impinging thereon when the solar cell is exposed to the light energy and the non-illuminated surface is opposite the illuminated surface.
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