Patent ID: 6457494
Filing Date: 2002-10-01
Classification: B01J,B67D,C23C,F17C,Y10T

Abstract:
A chemical delivery system manifold useful for delivery of liquid chemicals from a canister, comprising;a vacuum supply valve coupled to a vacuum generator, a pressure vent valve coupled to the vacuum generator, wherein said pressure vent valve is coupled to the vacuum generator through at least one additional valve, wherein the additional valve being coupled to a hard vacuum source; a carrier gas isolation valve coupled to a carrier gas source; a process line isolation valve coupled to a bypass valve and a canister outlet line, the canister outlet line capable of being coupled to a canister outlet valve; a flush inlet valve coupled between the carrier gas isolation valve and the bypass valve, the flush inlet valve capable of being connected to a liquid flush source; and a canister inlet line capable of being coupled between a canister inlet valve and the bypass valve.