Invention Grant
US09165376B2 System, method and computer readable medium for detecting edges of a pattern 有权
用于检测图案边缘的系统,方法和计算机可读介质

System, method and computer readable medium for detecting edges of a pattern
Abstract:
A system, a non-transitory computer readable medium and a method for detecting a parameter of a pattern, the method comprises: obtaining an image of the pattern; wherein the image is generated by scanning the pattern with a charged particle beam; processing the image to provide an edge enhanced image; wherein the processing comprises computing an aggregate energy of first n spectral components of the image, wherein n exceeds two; and further processing the edge enhanced image and determining a parameter of the pattern.
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