Patent ID: 6822727
Filing Date: 2004-11-23
Classification: G03B,G03F

Abstract:
An exposure apparatus comprising:an illumination optical system for illuminating a reticle with illuminating light from a light source; a projection optical system for projecting a pattern, which has been formed on the reticle, onto a photosensitive substrate; a holding unit for holding the reticle; a reticle transport system for transporting the reticle; a substrate stage capable of holding and moving the substrate; and a substrate transport system for transporting the substrate, wherein at least one of a pair of said reticle transport system and said holding unit and a pair of said substrate transport system and said substrate stage is accommodated in a partitioned circulation space in which inert gas is filled and the inert gas is circulated by a circulating system having a temperature control mechanism, and the partitioned circulation space includes a connecting member which is airtight and flexible.