Thursday, March 13, 2008

Secon Develops New Production Technology For Photovoltaic Cells


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Austria-based Secon says it is now offering dry chemical plasma-etch equipment for photovoltaic cell production that helps yield more power per cell, boost production volumes and minimize silicon usage
Textured multicrystalline material, either cut from ingots or in the form of thin substrates pulled out of silicon melt, yields better absorption of light due to reduced reflectivity caused by uniform texturing (surface roughness)
the lack of mechanical stress in production steps yields better use of material due to a drastic reduction of wafer breakage, and the processing of very thin products preserves silicon
The equipment is also designed to operate in an environmentally friendly manner
There is no need for acids and hydroxides, which eliminates difficult and expensive disposal methods and does not result in negative greenhouse effects, as in wet chemical production
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