... film,filter film,beam-splitting film,bandpass membrane,dielectric film,high reflectivity film,color reflection film and so on. The membrane system range from 0 to 99 layer.This machine ... , stepless variable speed2. Arch three-workpiece disc, planetary revolution and autorotation, meeting customers’ requirement on ... vacuum: Superior to 6*10-4PaEquipped with anti-turbulence device, safe interlock design, ...