Patent ID: 9355875
Filing Date: 2016-05-31
CPC Classification: H01L

Claim Text:
1. A liquid processing apparatus comprising: a plurality of liquid processing units, arranged side by side in a horizontal direction, each for performing a liquid process on a substrate by using a processing solution; at least one gas exhaust pipe, extended along an arrangement direction of the liquid processing units and provided below the liquid processing units, for exhausting an atmosphere within each of the liquid processing units; a plurality of flow control member groups for liquid supply provided below the at least one gas exhaust pipe; at least one liquid supply main pipe for supplying a processing solution into each of the liquid processing units and at least one liquid drain main pipe for draining the liquid processing solution from each of the liquid processing units, the at least one liquid supply main pipe and the at least one liquid drain main pipe being extended along the arrangement direction of the liquid processing units and provided below the flow control member groups; a plurality of liquid supply branch pipes that are branched from the at least one liquid supply main pipe into each of the liquid processing units and connected with the liquid processing units via the flow control member groups for liquid supply; and a plurality of liquid drain branch pipes that are branched from the at least one liquid drain main pipe into each of the liquid processing units and connected with the liquid processing units, wherein a part of the plurality of flow control member groups is accommodated in a respective housing portion provided below each of the liquid processing units, and each housing portion is disposed below the at least one gas exhaust pipe, the at least one liquid supply main pipe and the at least one liquid drain main pipe are accommodated in a pipe box provided below the each housing portion, a lateral region along the each housing portion, facing the arrangement of the liquid processing units, is set as a main maintenance region, and individual flow control member groups are mounted to respective removable supporting plates that are separately removable from the each housing portion toward the main maintenance region.