13 March 2018 LMS IPRO: Enabling local registration measurements for efficient e-beam writer correction
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Abstract
Mask registration data are presented, which demonstrate local errors that can be correlated to writing swathes of state-of-the-art e-beam writers and multi-pass strategies. A unique measurement methodology, Local Registration Metrology, allows for dense sampling of reticle dies to characterize the local e-beam registration error and enables e-beam corrections via feed forward.
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Hendrik Steigerwald, Oliver Ache, Runyuan Han, Frank Laske, Klaus-Dieter Roeth , "LMS IPRO: Enabling local registration measurements for efficient e-beam writer correction", Proc. SPIE 10585, Metrology, Inspection, and Process Control for Microlithography XXXII, 105851V (13 March 2018); doi: 10.1117/12.2303959; https://doi.org/10.1117/12.2303959
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