Small Size Mask BlanksThe small size mask blank means generally the one smaller than 202.8mmÃ202.8mmï¼8"Ã8"ï¼. Generally, the man-made quartz glass or soda lime glass is used as its substrate, and it is mainly used for the tomask production of micro circuit patterns for integrated circuit (IC), semi-conductive components, sound surface wave filter and micro optical components, etc.