With the dry-sealed COBRA screw vacuum pump, Busch offers a vacuum generator that is ideal for all processes in surface technology. COBRA screw vacuum pumps can be configured as an individual unit or combined with Roots vacuum pumps to suit the exact requirements of the relevant processes. Busch Vacuum Pumps and Systems are used worldwide for the coating of glass, plastics and metals in semi-conductor production, photovoltaics or optics. Busch vacuum systems are standard in heat treatment systems.