发明名称 |
FILTER DEVICE, ILLUMINATING SYSTEM, EXPOSURE APPARATUS, AND MANUFACTURING METHOD OF DEVICE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filter device which can control illuminating light radiated to an object to achieve a desired illumination distribution. <P>SOLUTION: The filter device includes: a filter element to change the incident light intensity depending on the incident angle and position; and a filter driver to change at least either the incident angle or incident position of the entering light by moving the filter element with respect to the light incident to the filter element. <P>COPYRIGHT: (C)2010,JPO&INPIT |
申请公布号 |
JP2010097128(A) |
申请公布日期 |
2010.04.30 |
申请号 |
JP20080269828 |
申请日期 |
2008.10.20 |
申请人 |
NIKON CORP |
发明人 |
KOYAMA MOTOO |
分类号 |
G03F7/20;G02B5/00;G02B7/00;G02B19/00 |
主分类号 |
G03F7/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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