发明名称 Method and apparatus having a reticle stage safety feature
摘要 An apparatus and method are disclosed having a stage reticle safety feature. The apparatus includes a reticle stage and an optical stage. The reticle stage supports a reticle and is capable of moving the reticle in x-y-z directions. The optical stage includes a plurality of components to direct light reflected from the reticle onto a wafer substrate and a safety mechanism to move one or more components of the optical stage away from the reticle stage.
申请公布号 US7259834(B2) 申请公布日期 2007.08.21
申请号 US20040968405 申请日期 2004.10.18
申请人 NIKON CORPORATION 发明人 PHILLIPS ALTON HUGH
分类号 G03B27/42;G03B27/62 主分类号 G03B27/42
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