Articles with "overlay variations" as a keyword



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Low-rank manifold optimization for overlay variations in lithography process

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Published in 2018 at "Journal of Process Control"

DOI: 10.1016/j.jprocont.2017.11.006

Abstract: Abstract Overlay variations occur frequently in lithography process, which should be controlled within the tolerance to guarantee the better pattern resolutions. The operational optimization of overlay aims to predict the unknown overlay variations and compensate… read more here.

Keywords: optimization overlay; overlay variations; optimization; low rank ... See more keywords