Exposure system, exposure apparatus, and coating developing exposure apparatus

摘要

An exposure system of the invention comprises: a first unit incorporating a first apparatus for transferring an image of a pattern of a mask onto a substrate, a second unit incorporating a second apparatus having a function different from that of the first apparatus, and a connection unit for connecting the first unit and the second unit, and is characterized in that an internal pressure of the connecting section is set to be lower that an internal pressure of either of the first unit and the second unit, and is set to be higher than a pressure of the surroundings in which the connection unit is installed.