Patent attributes
A cleaning apparatus for a semiconductor wafer comprising: a double container including an inner container with an upper opening for accommodating a substrate to be cleaned and an outer container having an airtight space accommodating the inner container therein, the inner container being communicated to the outer container through the upper opening; a cleaning liquid supply conduit for supplying a cleaning liquid into the inner container; an inner container drain conduit for draining the cleaning liquid from the inner container; a solvent-containing gas supply conduit for supplying a solvent-containing gas into the inner container for drying the substrate; a solvent-resolving gas supply conduit for supplying a solvent-resolving gas into the inner container for resolving a solvent component attached on the substrate; an exhaust pipe for exhausting the gases from the double container, and an outer container drain conduit for draining the liquid spilled from the inner container to the outer container.