发明名称 COVER MEMBER, STEPPER, EXPOSURE METHOD, AND DEVICE MANUFACTURING METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide a stepper capable of suppressing the adhesion of liquid on the backside of a substrate and suppressing the occurrence of exposure failure. <P>SOLUTION: The stepper exposes the substrate to exposure light via a liquid. The stepper has a cover member. The cover member has a first surface that opposes at least one portion of a peripheral region on the surface of the substrate with a first gap. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009188119(A) 申请公布日期 2009.08.20
申请号 JP20080025492 申请日期 2008.02.05
申请人 NIKON CORP 发明人 NAGASAKA HIROYUKI
分类号 H01L21/027;G03F7/20 主分类号 H01L21/027
代理机构 代理人
主权项
地址