Patent ID: 8137463
Filing Date: 2012-03-20
Classification: H01J

Abstract:
1. An apparatus for processing a substrate, comprising: a chamber body defining a process volume; an injection nozzle assembly at least partially disposed in the process volume, wherein the injection nozzle assembly comprises a nozzle at least partially disposed in the process volume, wherein the nozzle has a substantially cylindrical body, a first plurality of injection ports formed through a bottom of the cylindrical body, and a second plurality of injection ports formed through a sidewall of the cylindrical body, wherein the first and second plurality of injection ports are open to the process volume, and the injection nozzle assembly has: a flow control unit connected between a fluid source and the first and second inlets of the injection nozzle assembly, wherein the flow control unit is configured to split an incoming flow into a first output flow and a second output flow, wherein the ratio of the first output flow and the second output flow is adjustable.