METROLOGY OF NANOSHEET SURFACE ROUGHNESS AND PROFILE

An inspection system includes a controller including a memory maintaining program instructions and one or more processors configured to execute the program instructions. The program instructions cause the one or more processors to generate a geometric model of a structure of a sample, generate an op...

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Bibliographische Detailangaben
Hauptverfasser: Chouaib, Houssam, Chang, HaoMiao, Zhan, Tianrong, Gu, Teng, Lagodzinski, Andrew, Tan, Zhengquan
Format: Patent
Sprache:eng
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Zusammenfassung:An inspection system includes a controller including a memory maintaining program instructions and one or more processors configured to execute the program instructions. The program instructions cause the one or more processors to generate a geometric model of a structure of a sample, generate an optical response function model of the structure of the sample to illumination based at least in part on the geometric model, receive measured data from a detector, generate a parametric sub-structure model based on at least the optical response function model and the measured data, and extract one or more parameters of the structure based on the measured data.