22 March 2010 Study of post-develop defect on typical EUV resist
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Abstract
This is the study report about post-develop defect on EUV resist. The resolution, sensitivity, LWR, etc. of EUV resist have been currently studied in the development phase. We have acknowledged that resist generates a lot of defects in its transition from i-line, KrF, ArF and immersion-ArF. However, those were just a couple of defect types in the transition, and they were eliminated through resist improvement. In this study, we confirmed EUV defect type using EUV exposure tool. We also evaluate defect generation using tetrabutyl- ammonium-hydroxide (TBAH) developer. We finally discuss on the difference of defect between using KrF and EUV exposure tool, furthermore difference of defect between using TMAH and TBAH developer.
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Masahiko Harumoto, Masahiko Harumoto, Kazuhito Shigemori, Kazuhito Shigemori, Akihiro Hisai, Akihiro Hisai, Masaya Asai, Masaya Asai, Koji Kaneyama, Koji Kaneyama, } "Study of post-develop defect on typical EUV resist", Proc. SPIE 7636, Extreme Ultraviolet (EUV) Lithography, 76362Z (22 March 2010); doi: 10.1117/12.846546; https://doi.org/10.1117/12.846546
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