Patent ID: 7699023

Claim:
An atomic layer deposition chamber system, comprising: a chamber body; a substrate support at least partially disposed within the chamber body and having a substrate receiving surface; a chamber lid comprising an expanding channel extending downwardly from a central portion of the chamber lid and a tapered bottom surface extending radially from the expanding channel to a peripheral portion of the chamber lid, and wherein the tapered bottom surface is shaped and sized to substantially cover the substrate receiving surface; at least one valve in fluid communication with the expanding channel, wherein the at least one valve enables an atomic layer deposition process; and a gas box assembly in fluid communication with the valve, wherein the gas box assembly comprises: a canister having a sidewall, a top, and a bottom forming an interior volume; an inlet port and an outlet port in fluid communication with the interior volume; and a tube having a first end coupled to the inlet port and a second end terminating in an upper region of the interior volume of the canister, wherein the second end of the tube includes a cap closing the second end of the tube and at least one opening formed in a side of the tube; and the at least one opening directs the flow of gas perpendicular to a center axis of the canister.