Vacuum coating is belong to thin film technology and the areas of thin film physics. This product is widely used in the power vacuum, electronics, optics, energy development, modern equipment, construction machinery, packaging and civilian products, surface science and atomic energy industry and space technology. It can be used to make micro-membrane coating, thin film integrated circuit, semiconductor integrated circuits and other electrical requirements of the film; optical system of the reflective film needs, based membrane permeability, a variety of optical thin film filter filmIt can also make the reflective film, transmission membrane, membrane filter of optical system.DM3000.