23 March 2018 Process control technology for nanoimprint lithography
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Abstract
Nanoimprint lithography (NIL) is regarded as one of the candidates for next generation lithography toward singlenanometer manufacturing. Among the wide variety of imprint methods, Jet and Flash Imprint Lithography (J-FIL) process is the most suitable for IC manufacturing for which high productivity and high precision is required. Unlike spin-coating-based NIL process J-FIL process has some capabilities to solve the issue by controlling local resist volume based on pattern design of the patterned mask (template). In order to improve NIL process, in this paper we focus on understanding the occurrence of non-filling defects during resist filling into the template features, and propose the new optimization concept of drop amount and drop arrangement for fast filling and defect reduction.
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Hirotaka Tsuda, Hirokazu Washida, Motofumi Komori, Takuya Kono, Tetsuro Nakasugi, Wooyung Jung, "Process control technology for nanoimprint lithography", Proc. SPIE 10584, Novel Patterning Technologies 2018, 105841D (23 March 2018); doi: 10.1117/12.2297332; https://doi.org/10.1117/12.2297332
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