Today’s optical mask blanks consist of an opaque layer of chrome on a quartz substrate. Fig. 3: Fabrication of EUV mask. Source: Sematech In comparison, an EUV mask blank consists of 40 to 50 ...

we believe that sales of high-value-added EUV mask blanks will grow and drive Hoya's profit growth. Hoya is the second largest eyeglass lens manufacturer in the world and the largest contact lens ...

EUV masks are different than traditional photomasks. An EUV mask blank consists of 40 to 50 alternating layers of silicon and molybdenum. The multi-layer stack serves as a mirror or reflector for EUV ...