Patent ID: 6063439
Filing Date: 2000-05-16
Classification: B01D,B05B,B05C,H01L,Y02P

Abstract:
A processing apparatus using solution comprising:a casing in which at least one processing chamber is provided;a rotary table which rotates while holding a substrate thereon, in the processing chamber provided in said casing;a supply mechanism for supplying a processing solution to a surface of the substrate held on said rotary table;a gas-liquid separation mechanism, provided in an exhaustion system for exhausting the casing, for separating liquid in an exhaust from gas; andan impurity remover unit, coupled to said casing, for cleaning unclean gas in said casing;wherein said impurity remover unit further comprises:a gas inlet opening connected to a gas exit of said gas-liquid separation mechanism;a cleaning unit for cleaning an object gas introduced from said inlet opening by bringing it into contact with an impurity remover solution; andsupplying means for supplying thus cleaned gas into said casing.