Patent ID: 7802536
Filing Date: 2010-09-28
Classification: G03F,H01L

Abstract:
1. An apparatus that drops on a substrate a liquid to be applied thereon and rotates said substrate to cause a force to disperse said liquid in a form of a film to form a film applied on an upper surface of said substrate, comprising: means for holding and rotating said substrate substantially horizontally; means for feeding and dropping said liquid to be applied onto said upper surface of said substrate; a processing cup including means for aspirating said unnecessary atmosphere through said exhaust port, wherein when said substrate is accommodated in said opening of said processing cup, said substrate has a perimeter spaced from said opening by a predetermined gap and substantially separates a processing space located above said substrate and a space located below said substrate, and below said substrate accommodated in said processing cup there is formed an exhaust flow path extending from said aspiration port to said exhaust port, with said predetermined gap and said exhaust flow path communicating with each other, wherein said processing cup includes wherein said outer peripheral member includes a first vertical wall in the form of a cylinder and an inner peripheral portion defining said opening, wherein said air stream controlling member includes a wall that forms said exhaust flow path, wherein said internal cup includes