SCHOTT Lithotec develops and supplies optical materials and components needed by lithographers to push optical imaging to its theoretical limits and is consistently working on the expansion of its product portfolio. Its product portfolio comprises of cutting edge materials for a whole range of applications such as Calciumfluoride Crystals (193 nm), Fused Silica LITHOSIL® (248, 193 nm), ZERODUR® (zero expansion glass ceramic), i-line glass (365 nm) as well as i-line interference filter.