发明名称 Supporting system in exposure apparatus
摘要 An exposure apparatus includes a carrying member for carrying thereon a workpiece and a supporting mechanism having a magnet, for supporting a weight of the carrying member. A force to be applied to the magnet does not change with a shift of the carrying member along a plane perpendicular to a direction in which the weight is supported.
申请公布号 US6952254(B2) 申请公布日期 2005.10.04
申请号 US20030649668 申请日期 2003.08.28
申请人 CANON KABUSHIKI KAISHA 发明人 KORENAGA NOBUSHIGE
分类号 G12B5/00;G03B27/58;G03F7/20;H01L21/027;H01L21/68;H02N15/00;(IPC1-7):G03B27/58;G03B27/62;H02K41/00 主分类号 G12B5/00
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