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发明名称
反射式投影光学系统
摘要
一种反射式投影光学系统,用以将一物表面上的一图案,投影到一影像表面上,该反射式投影光学系统包含复数反射镜,其中,沿光学路径距离该影像表面的一第二个反射镜,接收会聚光束,且具有-0.14或较小的一傍轴放大率。
申请公布号
TW200423228
申请公布日期
2004.11.01
申请号
TW093104308
申请日期
2004.02.20
申请人
佳能股份有限公司
发明人
佐佐木隆洋;须永敏弘;山弘至
分类号
H01L21/027;G02B17/08;G03F7/20
主分类号
H01L21/027
代理机构
代理人
林志刚
主权项
地址
日本
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