Coming from Ingot fabs ww, the incoming material is showing a great variety of aspects.
All the samples shown below are treated and recovered in production mode :
- impurities on or below the surface, such as silicon carbide,...
- thin or thick silicon concretion including nitrides and carbides,
- mold residues,
- metallic contamination layers,
- foam residues,
- any combination of the above.
After treatment >