发明名称 STEP-TYPE PROXIMITY EXPOSURE DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a step-type proximity exposure method by which exposure accuracy in an initial step can be increased even when a posture of a mask stage changes when the stage is vertically moved during maintenance. <P>SOLUTION: The exposure device is equipped with: a mask posture change detecting means 30, KM1, KM2 which detects a change amount in the posture of a mask M with respect to a substrate stage 2 after the mask stage 1 is vertically moved by a vertical moving mechanism 50 for maintenance; and a mask posture adjusting means 60, 10, 12 which adjusts the posture of the mask M via the mask stage 1 by referring a feeding direction by a stage feeding mechanism 5, 6 based on the posture change amount detected by the mask posture change detecting means. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007033751(A) 申请公布日期 2007.02.08
申请号 JP20050215566 申请日期 2005.07.26
申请人 NSK LTD 发明人 KATO SHIGENARI
分类号 G03F7/20;G02F1/13;H01L21/027 主分类号 G03F7/20
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