Patent ID: 8721834
Filing Date: 2014-05-13
Classification: H01L

Abstract:
1. An apparatus for treating a substrate using a plurality of treatment solutions, the apparatus comprising: a supporting member configured to receive the substrate thereon and rotating the substrate; a treatment liquid supplying member configured to supply the treatment solutions to the substrate placed on the supporting member; a treatment liquid collecting member configured to form a first space for placing the supporting member and including a plurality of treatment liquid collecting vessels arranged for separately collecting the treatment solutions supplied from the treatment liquid supplying member; an exhaust member configured to separately discharge pollutant gases generated from the treatment solutions during the treatment of the substrate; and a lifting member configured to move at least one of the supporting member and the treatment liquid collecting member so as to change a height of the supporting member relative to inlets of the treatment liquid collecting vessels, wherein each of the plurality of treatment liquid collecting vessels include, wherein the exhaust member includes a separating plate dividing the third space, such that the pollutant gas introduced into the third space through the outer guide is separately discharged from a pollutant gas introduced into the third space through the inner guide and the inner base, an upper end of the separating plate being coupled with the bottom wall of the inner base and a lower end of the separating plate being coupled with the bottom wall of the outer base, and wherein the first opening is disposed higher than the upper end of the separating plate.