Established in 1993, Azotic Coating Technology offers coating services to jewelry industry. The company offers coating with metals, nonmetals, metallic nitrides, oxides and borides. The company also specializes in reactive sputtering treatment for diamonds. Additionally, it offers reactive plasma processes for decorative stacks. It also offers polishing services for various gemstones, including quartz and topaz. The company offers a wide range of metallic, oxide and nitride films that are used as conductors, insulators and adhesion layers. It offers coating services for various materials, such as quartz, sapphire, silicon, ceramics, metals, plastics and crystals. Additionally, the company offers a variety research and development services that include electron microscopy, X-ray elemental analysis and optical elipsometry. It is located in Rochester, Minn.