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Solar Wafer Texturing Process

Photonics.com
Dec 2017
Singulus Technologies AGRequest Info
 
KAHL AM MAIN, Germany, Dec. 19, 2017 — Singulus Technologies AG has announced a new texturing process for the machining of multicrystalline solar wafers to production readiness. 

Using a sawing technique is more environmentally friendly than the conventional slurry process, which involves a mixture of oil and silicon carbide. The sawing process damages the surface of the solar wafers, which is then processed by wet-chemical texturing. Texturing removes saw marks and produces a uniform, homogeneous structure. 

The new manufacturing process incorporates two distinct steps developed in-house: the use of new additives and the use of ozone for post-cleaning.


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