特徴

• Molten quartz is produced mainly from natural quartz as a raw material for polishing plates, and contains impurities at the ppm level.
• Synthetic quartz polishing plates are manufactured using silicon tetrachloride as a raw material and contain impurities at ppb level.
• The upper and lower surfaces are optically polished.
• Specified dimension cut in 0.1 mm increments is possible from 1 sheet.