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发明名称
曝光装置之检查方法及曝光装置
摘要
本发明系不必花费成本而进行曝光装置之照明轴偏移之检查。利用光罩1使感光基板18之表面与二次光源14之面成为光学上共轭的状态,在此状态下,照亮不含投影光学系统17之光瞳端之区域及不与该区域重叠之含投影光学系统17之光瞳端之区域而使感光基板18曝光,然后,依据使感光基板18显影所得之图案检查照明轴偏移。
申请公布号
TW200407966
申请公布日期
2004.05.16
申请号
TW092123011
申请日期
2003.08.21
申请人
东芝股份有限公司
发明人
福原和也;井上壮一
分类号
H01L21/027
主分类号
H01L21/027
代理机构
代理人
陈长文
主权项
地址
日本
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