CHA Industries, Inc. ~ Celebrating over 60 years of excellence in vaccum technology. CHA Industries, Torr, Multilayer film, Hot filament ion gauge tube, Cryopump, Knudsen Planetary, Liftoff Dome, Deposition rate, Ion Beam Aided Deposition, Electron Beam, Power Supplies, Sputtering, PVD, Vacuum, Evaporation CHA Industries manufactures evaporation and sputtering high vacuum deposition systems, LED systems, optical systems and electron beam guns, vacuum deposition systems, and precision optics, research, production & ophthalmic applications.