Patent ID: 8104490

Claim:
A substrate treating apparatus comprising: a process equipment in which substrate treating processes are performed; and an equipment front end module for loading/unloading a substrate into/from the process equipment, the equipment front end module disposed at a front side of the process equipment; wherein the process equipment comprises: a main frame; a plurality of processing units detachably disposed on the main frame, the plurality of processing units being provided in a module form disposed within one independent housing, the plurality of processing units comprising: a plurality of substrate treating units for treating the substrate and a substrate transfer unit for transferring the substrate; at least one treatment fluid distribution unit disposed adjacent to a first substrate treating unit of the plurality of substrate treating units; the plurality of substrate treating units parallelly disposed at one side of the substrate transfer unit; wherein the plurality of substrate transfer units and the substrate treating units are detachably disposed on the main frame; and wherein the plurality of substrate treating units comprise one or more chambers vertically disposed over a bottom portion of the plurality of substrate treating units, the one or more chambers for receiving and discharging at least one treatment fluid, the substrate treating apparatus operable such that the at least one treatment fluid is received from the bottom portion of the plurality of substrate treating units, and wherein the bottom portion receives fluid from the at least one treatment fluid distribution unit.