Utilizing the anisotropic reaction of silicon in alkali to prepare a uniform pyramid velvet structure on the surface of silicon wafers, enhancing the light trapping effect of silicon wafers.

Removing Boron Silicate Glass (BSG) from Photovoltaic Solar Cells

Polishing treatment applied to the surface of silicon wafers.

Removing Phosphorus Silicon Glass (PSG) from Photovoltaic Solar Cells.

Used for the removal of LPCVD/PECVD deposited polysilicon.

Used for the removal of PSG and silicon oxide in PVD processes.