*Plates *Discs
*Microscope slides
*Cover slips
*Focus rings
*Shadow rings
*Insert rings
*Insulator rings
*Liners
*Pedestal shields
*Wafer supports
*Sleeves
*Step flanges
*Window flanges

*Plates
*Discs
*Flanges
*Machined items

*Borosilicate plates and discs
*Blue glass furnace observation windows
*Soda lime windows
*Gold flash and specialty coatings