发明名称 EXPOSURE APPARATUS
摘要 <p>An exposure apparatus for immersing, in liquid, a space between a final lens of a projection optical system and a plate, and for exposing the plate via the liquid includes a leak reducer for reducing or preventing a leak of the liquid from an area in which the liquid is to be filled between the final lens of the projection optical system and the plate, and a pressure maintainer provided to the leak reducer or provided closer to an optical axis of the projection optical system than the leak reducer, the pressure maintainer restraining a pressure fluctuation of gas in or near the area, wherein both a liquid recovery port for recovering the liquid from the area and a liquid supply port for supplying the liquid to the area are closer to the optical axis of the projection optical system than the leak reducer and the pressure maintainer.</p>
申请公布号 WO2006093340(A1) 申请公布日期 2006.09.08
申请号 WO2006JP304540 申请日期 2006.03.02
申请人 CANON KABUSHIKI KAISHA;HASEGAWA, NORIYASU 发明人 HASEGAWA, NORIYASU
分类号 H01L21/027;G03F7/20 主分类号 H01L21/027
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