1 April 2009 Chemically amplified hybrid resist platform for i-line applications
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Abstract
Three polymer platforms based on acid labile blocked novolaks were investigated. The first, blended with Polyhydroxystyrene/ t-butylacrylate (PHSC), produced incompatible blends for the most part. Compatible blends were obtained for the second platform by reacting novolak and PHSC together with alkylvinylether, which was optimized for resist performance on Cu substrate at and below 10 μm film thickness. The third platform, based on a modified novolak resin, achieved greater than 5 aspect ratio in 25 μm thick films.
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Medhat Toukhy, Medhat Toukhy, Margareta Paunescu, Margareta Paunescu, Zachary Bogusz, Zachary Bogusz, Georg Pawlowski, Georg Pawlowski, } "Chemically amplified hybrid resist platform for i-line applications", Proc. SPIE 7273, Advances in Resist Materials and Processing Technology XXVI, 72730J (1 April 2009); doi: 10.1117/12.816044; https://doi.org/10.1117/12.816044
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