75381636
Oct 30, 1997
Feb 15, 2000
Machines for performing coating operation on ophthalmic substrats, namely, vacuum coating for the deposit of scratch-protection films, plasma activation of substrate surfaces for improving film adhesion and resistance to scratching; plasma assisted evaporative deposition for providing harder, denser, more durable anti-reflection coatings and component parts of these machines, namely, vacuum pumps, vacuum chambers, electron emitters, generator chambers, cathode or crucible arrangements, electron beam evaporators, resistance evaporators and machinery and/or equipment for supplying vacuum chambers with process gasses and electronic monitoring and control devices
Machinery