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
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