Evaporation Sources and Materials. We offer the highest quality evaporation sources, E-Beam Liners and materials for the thin film coating industries. Our Catalog offers a comprehensive selection of Tungsten, Molybdenum and Tantalum sources as well as custom fabrication. We also offer a wide variety of E-Beam Liners and evaporation materials including gold, silver, nickel, aluminum, etc. Our "LV Series" Low Voltage, High Current Power Supplies and our "GP 100" Inert Gas Purifier are available to compliment your evaporation process. www.rdmathis.com