Patent ID: 7199859

Claim:
An exposure equipment comprising: a wafer carrier being flexibly movable and containable plural wafers being subject to exposure; a container containing said wafer carrier in an attachable/detachable manner; an equipment including a mounting table for said wafer in an exposure chamber thereof and exposing a surface of said wafer mounted on the mounting table; a transfer area including, between said container and said equipment, a transfer unit having a space to transfer said wafer carrier therethrough and an airflow generating unit generating an airflow in the space of the transfer unit to maintain cleanliness in the transfer unit; and a controller controlling a transfer operation of said wafer carrier and the wafer; wherein said controller moves said wafer carrier from said container, controls a transfer and a collection of the wafer between an inside of the space of the transfer unit and said equipment, returns said wafer carrier containing wafers which are not exposed by said equipment into said container when said wafer is exposed to keep said wafer carrier waiting in said container.