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Fakultät für Biologie, Chemie und Geowissenschaften

Makromolekulare Chemie I: Prof. Hans-Werner Schmidt

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Pfeiffer, F.; Felix, N.M.; Neuber, C.; Ober, C.K.; Schmidt, H.-W.: Physical Vapor Deposition of Molecular Glass Photoresists: A New Route to Chemically Amplified Patterning, Advanced Functional Materials, 17(14), 2336-2342 (2007) -- DOI: 10.1002/adfm.200600717
Stichworte: A11
A negative tone photoresist film, consisting of a molecular glass, a photoacid generator, and an acid labile crosslinker, was prepared by physical vapor deposition, a solvent-free process. Subsequent to deposition, the coevaporated monomers were exposed using 365 nm radiation, subjected to a post exposure bake step, and developed in aqueous base to produce sub-micron patterns. Combinatorial techniques were used to aid optimization of the photoresist by systematic variations in composition and exposure dose. Development factors such as concentration and time were also optimized.
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