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发明名称
照明光学系统、曝光装置以及元件制造方法
摘要
一种照明光学系统,为利用由光源1所供给的照明光而对被照射面M进行照明之照明光学系统,包括空间光调变器S1及扩散器4。空间光调变器S1配置在照明光学系统的光路内,并在照明光学系统的光瞳位置或与光瞳位置光学共轭的位置处形成所需的光强度分布。扩散器4设置在空间光调变器S1的照明光的入射侧,并使入射空间光调变器S1的照明光进行扩散。
申请公布号
TW200935178
申请公布日期
2009.08.16
申请号
TW097137744
申请日期
2008.10.01
申请人
尼康股份有限公司
发明人
田中裕久
分类号
G03F7/20(2006.01);G02B26/00(2006.01);H01L21/027(2006.01)
主分类号
G03F7/20(2006.01)
代理机构
代理人
詹铭文;萧锡清
主权项
地址
日本
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