Patent ID: 6874516
Filing Date: 2005-04-05
Classification: B08B,H01L,Y10S

Abstract:
1. A substrate cleaning apparatus comprising: an outer shell constructed such that said outer shell is selectively openable or hermetically closable, an inner shell enclosed within said outer shell and having an upper and lower openings and an outlet for discharging effluent, and an upper and lower dispenser units arranged for vertical movements such that said upper and lower dispenser units can be inserted into or removed from said upper and lower openings, respectively, said dispenser units being provided on inner end portions thereof with flat areas each of which has at least one nozzle, and, when said upper and lower dispenser units are inserted into said upper and lower openings of said inner shell, respectively, a highly gas-tight space is formed by said inner end portions and an inner wall of said inner shell, wherein said inner shell is provided through said inner wall thereof with an outlet for discharging at least one of waste gas and waste liquid and is also provided on said inner wall thereof with a holding member for holding a substrate, which is under cleaning, out of contact with said end portions of said dispenser units, and said inner shell is constructed for rotation about a vertical axis thereof with said substrate held by said holding member.