发明名称 SURFACE FOREIGN MATTER INSPECTING METHOD AND SURFACE FOREIGN MATTER INSPECTING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a surface foreign matter inspecting method and inspecting device capable of conveniently making a total inspection for comparatively large foreign matter or a flaw or the like on a wafer or a liquid crystal substrate in a state of inspection standard is constant. SOLUTION: This device has illumination optical systems 3 and 4 illuminating substantially the whole face of an object 1 to be inspected, light receiving optical systems 5 and 7 collectively receiving scattered light from foreign matter adhered to a surface of the object for detecting the total quantity of scattered light by their pupil faces, and a spatial filter part 6 extracting light of a particular direction from the object.
申请公布号 JP2001264262(A) 申请公布日期 2001.09.26
申请号 JP20000070774 申请日期 2000.03.14
申请人 NIKON CORP 发明人 KOMATSU KOICHIRO
分类号 G01B11/30;G01N21/956;H01L21/66;(IPC1-7):G01N21/956 主分类号 G01B11/30
代理机构 代理人
主权项
地址