Patent ID: 6752872
Filing Date: 2004-06-22
Classification: B05D,G03F,H01L

Abstract:
A coating unit for applying a coating solution on a substrate, comprising:a container enclosing the substrate; a casing for accommodating said container therein; a supply device for supplying a predetermined gas into said casing; a first exhaust pipe for exhausting an atmosphere inside said container; a second exhaust pipe for exhausting an atmosphere inside said casing; a first adjusting device which is disposed in said first exhaust pipe, for adjusting a flow rate of an atmosphere passing through said first exhaust pipe; and a second adjusting device which is disposed in said second exhaust pipe, for adjusting a flow rate of an atmosphere passing through said second exhaust pipe, wherein a downstream side of said first exhaust pipe is connected to an upstream side of said second adjusting device in said second exhaust pipe.