Christopher Ober

EIPBN 2022

Invited Speaker

Christopher Ober

Cornell University

Evolving Approaches to EUV Photoresists: Polyacetals and Polypeptoids Offer New Options

Authors: Jingyuan Deng, Florian Kaefer, Zoey Meng, Rachel Segalman and Christopher Ober

Low stochastics, high sensitivity photoresists remain a goal for EUV lithography. Here we present studies of two polymer systems (poly(phthalaldehydes and polypeptoids) to adjust EUV resist characteristics using two different chemical approaches. We report the results of exposure of these materials to EUV radiation and the chemical changes that occur. 

Christopher Ober

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Samuel M. Stavis

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