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发明名称
偏光变换元件、光学照明装置、曝光装置以及曝光方法
摘要
申请公布号
TWI494972
申请公布日期
2015.08.01
申请号
TW101102214
申请日期
2005.01.12
申请人
尼康股份有限公司
发明人
谷津修;重松幸二;广田弘之;松山知行
分类号
H01L21/027;G02B27/28;G03F7/20
主分类号
H01L21/027
代理机构
代理人
詹铭文 台北市中正区罗斯福路2段100号7楼之1
主权项
一种偏光变换元件,配置在光的光路,将所述光的偏光状态进行变换,所述偏光变换元件的特征在于:利用有旋光性的光学材料所形成,且相关于回绕所定轴的周方向,所述光学材料具有厚度分布,所述所定轴平行于所述光学材料的结晶光学轴。
地址
日本
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