Patent ID: 8070879
Filing Date: 2011-12-06
Classification: C23C

Abstract:
1. An apparatus for performing an atomic layer deposition process, comprising: a chamber body comprising a substrate support; a lid assembly attached to the chamber body; a reaction zone between the lid assembly and the substrate support; a remote plasma system in fluid communication with the reaction zone; a centralized conduit extending through the lid assembly; a first gas delivery sub-assembly on the lid assembly and configured to deliver a first process gas into the centralized conduit, wherein the first as delivery sub-assembly comprises a first delivery conduit in fluid communication to the centralized conduit; and a second gas delivery sub-assembly on the lid assembly and configured to deliver a second process gas, comprising: an annular channel encircling and in fluid communication with the centralized conduit, wherein the annular channel is adapted to deliver the second process gas through a plurality of passageways and nozzles and into the centralized conduit; and a first gas inlet and a second gas inlet coupled to the annular channel and positioned to provide the second process gas to the annular channel and wherein the first gas delivery sub-assembly is positioned above the second gas delivery sub-assembly.