Patent ID: 6063197
Filing Date: 2000-05-16
Classification: B01D,C23C

Abstract:
A chemical vapor deposition system comprising:a chemical vapor deposition chamber;an inlet line for directing reactant gases into the deposition chamber;an outlet line for discharging waste by-product from the deposition chamber;a detachable trap positioned along the outlet line for trapping at least a portion of the waste by-product, the trap including a chamber having a width and an array of baffles for increasing the surface area within the trap and disrupting flow within the trap;a cooling wall for cooling the trap, the cooling wall including structure defining a circulation path arranged and configured to circulate cooling fluid along at least a portion of the cooling wall; andwherein at least some of the baffles are connected to the cooling wall and comprise first baffle plates aligned at oblique angles with respect to the cooling wall at locations where the baffles connect to the cooling wall.