Patent ID: 7418978

Claim:
An apparatus adapted to provide fluid to a semiconductor device processing apparatus tool, comprising: a single-piece fluid dispensing system including: a plurality of valve assemblies, each of the plurality of valve assemblies including: a valve assembly output adapted to output at least one of DI water and a chemical; a first valve comprising: a first input adapted to receive the chemical; a first output adapted to circulate the chemical to a chemical return; and a second output adapted to output the chemical to the valve assembly output; a second valve positioned downstream from the first valve comprising: an input adapted to receive deionized (DI) water; and an output adapted to output DI water to the valve assembly output; and a check valve coupled between the second output of the first valve and the output of the second valve; wherein the first valve, second valve and check valve are included in a single manifold; and wherein each of the valve assembly outputs is adapted to connect to a separate dispense module.