Photomask Blanks for Ultra-LSI Halftone type Phase Shift Mask Blanks Quartz Large Mask Blanks Chrome Film Black Materix for LCD Color Filter Photomask Dry Etcher Equipments Types Ecommerce -B2B (Business-to-Business) Staff Dr.Yasuo Tokoro Position PRESIDENT Set up: January 1, 1979 Capital: 272,000,000