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 >