发明名称 |
FOREIGN SUBSTANCE DETECTION METHOD, FOREIGN SUBSTANCE DETECTION APPARATUS, EXPOSURE METHOD, AND METHOD OF MANUFACTURING DEVICE |
摘要 |
A foreign substance detection method comprises: a step for measuring surface conditions of a substrate to determine whether a foreign substance is present or not; a step for replacing the substrate on a chuck with a second substrate and measuring surface conditions of the second substrate if it is determined that there is a foreign substance in the determination step; and a step for determining whether the foreign substance determined to be present in the determination step is attached to the substrate based on a measurement result obtained in the measurement step. |
申请公布号 |
KR20150055558(A) |
申请公布日期 |
2015.05.21 |
申请号 |
KR20140153026 |
申请日期 |
2014.11.05 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
NAKAMURA TADAO;KOSUGI YUJI;NAKAZAWA TOMOHISA |
分类号 |
H01L21/027;G03F7/20;H01L21/66 |
主分类号 |
H01L21/027 |
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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