4.4 Article Proceedings Paper

High sensitive negative silylation process for 193nm lithography

Journal

MICROELECTRONIC ENGINEERING
Volume 53, Issue 1-4, Pages 485-488

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-9317(00)00361-0

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We have developed a negative silylation process using a new photoacid generator, which does not easily evaporate during post-exposure-bake (PEB) and a new polymer, poly(1-ethoxyethyloxystyrene (49)-t-butyloxy-carbonyloxystyrene(48)). 0.12 mu m line-and-space patterns were fabricated with a high sensitivity of 4mJ/cm(2).

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