Patent ID: 7180035
Filing Date: 2007-02-20
Classification: H01L,Y10S

Abstract:
1. A substrate processing apparatus comprising: a steam generator having a tank and at least one heater, and adapted to generate steam by heating deionized water contained in the tank to vaporize the deionized water with the heater; and a processing vessel adapted to process therein a substrate with steam generated by the steam generator, wherein: the tank includes a hollow, tubular body arranged with the axis thereof extending horizontally and having opposite open ends, and a pair of plate members covering the opposite open ends of the tubular body to define an interior space of the tank together with the tubular body; the tubular body is formed of a resin material; and said at least one heater is disposed outside the interior space of the tank while contacting with or arranged adjacent to an outer surface of at least one of the plate members.