Patent ID: 7806143

Claim:
A flexible gas delivery apparatus, comprising: a gas panel having a first gas stick and a last gas stick, each of the gas sticks having a plurality of gas delivery components thereon; a plurality of manifold blocks interconnected to form a substrate, each of the plurality of manifold blocks coupled to one of the plurality of gas delivery components; a base plate having an upper surface and a lower surface, the upper surface of the base plate coupled to a bottom surface of the substrate; a mixing manifold positioned at the upper surface of the base plate to connect a plurality of mixing valves on the substrate in parallel; and a pump/purge manifold positioned on the upper surface of the base plate to connect a plurality of pump/purge valves on the substrate in parallel; wherein the first gas stick further comprises: a first extension block having a first section and a second section, the first section positioned between a purge valve and the substrate having a discharge port in fluid communication with the pump/purge manifold, a second extension block having a first section and second section, the first section positioned between a mixing valve and the substrate having an exit port in fluid communication with the mixing manifold; and wherein the second portion of the first and second extension blocks extend outwardly from the gas panel.