Patent ID: 6241597
Filing Date: 2001-06-05
Classification: H01L

Abstract:
Maintenance apparatus for use in a chamber that performs a semiconductor process, said apparatus comprising:a chassis for containing the chamber, said chassis having an opening through which maintenance work is performed, and having an exit outlet;a vessel located in said chassis, wherein wall of said vessel having a plurality of holes, wherein said vessel includes:a first end configured to receive gas from the chamber, anda second end with an opening, which is approximately the same size as the opening of said chassis, and is coupled to the opening of said chassis; anda cover rotatably mounted on the opening of said vessel, said cover having an opening through which maintenance work is performed, wherein said exit outlet is configured to allow the gas from the interior of said vessel to flow through the plurality of holes of said vessel into space between said vessel and said chassis, and further flow out of said chassis through the exit outlet.