发明名称 Positioning apparatus, drive unit and exposure apparatus incorporating the positioning apparatus
摘要 A positioning apparatus positions a movable body 6 on which a wafer W (object to be positioned) is mounted, and includes; a magnetism generation body 8 incorporated in the movable body 6, a magnetic member 10, 15A, 15B, 16 formed so as to have the magnetism generation body 8 therebetween, and a drive unit 11 disposed between the magnetism generation body 8 and the magnetic member 10, for driving the magnetism generation body 8, and the movable body 6 is positioned by means of the magnetic member 10 etc. and the drive unit 11. The positioning apparatus can position a movable body (object to be positioned) at a high speed and with high precision, and is suitable for use for example with an exposure apparatus or the like for positioning a wafer at high precision.
申请公布号 US6259174(B1) 申请公布日期 2001.07.10
申请号 US20000505295 申请日期 2000.02.16
申请人 NIKON CORPORATION 发明人 ONO KAZUYA
分类号 G03F7/20;H01L21/68;H01L21/687;H02K7/09;H02K41/03;H02K41/035;H02N15/00;(IPC1-7):H02K41/00 主分类号 G03F7/20
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