Improving optical critical dimension metrology via systematic screening of TEM reference data
Lin Du, Biqiu Liu, Zhenhao Chen, Xinyuan Mei et autres
BackgroundIn integrated circuit manufacturing, transmission electron microscopy (TEM) has long served as the golden reference for optical critical dimension (OCD) measurement. However, the reliability of TEM data is frequently challenged by the sample destructive preparation, and subjective human interpretation is usually affects …
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