发明名称 Differential numerical aperture methods
摘要 Methods for differential numerical aperture analysis of samples, utilizing angle-of-incidence measurements resulting from variable illumination or observation numerical apertures, or both. Metrology applications are provided, and more particularly including scatterometer, ellipsometer and similar analysis methods, including bi-directional reflectance or transmission distribution function measurement.
申请公布号 US2004246481(A1) 申请公布日期 2004.12.09
申请号 US20040866424 申请日期 2004.06.10
申请人 ACCENT OPTICAL TECHNOLOGIES, INC. 发明人 SANDUSKY JOHN V.
分类号 G01B11/06;G01J3/02;G01J4/04;G01N21/21;G01N21/47;G02B21/00;H01L21/027;(IPC1-7):G01J4/00 主分类号 G01B11/06
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