1.Vacuum Magnetron Sputtering Technology 2.Coating machines Limiting vacuum is 8x10-4 Pa, 3.Unit Limiting Vacuum 8x10-4Pa Solar vacuum tube coating machine(OEM for your requirement) Coating machine technical data1,NO.ItemsTechnical requirement1Vacuum Unit deploy1,Unit Limiting Vacuum 8x10-4Pa2,KT-600 oil diffusion pump 1set,Limiting Vacuum 8x10-5Pa,pumping speed 12000L/S3,Pre-drawing 2XT-70 ...