Journal of Materials Chemistry p. 1699 - 1706 (2007)
Update date:2022-08-31
Topics:
Wang, Mingxing
Gonsalves, Kenneth E.
Rabinovich, Monica
Yueh, Wang
Roberts, Jeanette M.
A new series of anionic photoacid generators (PAGs) and corresponding polymers were prepared. The thermostability of PAG bound polymers was superior to that of PAG blend polymers. PAG incorporated into the polymer main chain showed improved resolution when compared with the PAG blend polymers. This was demonstrated by extreme ultraviolet lithography (EUVL) results: the fluorine PAG bound polymer resist gave 45 nm (1: 1), 35 nm (1: 2), 30 nm (1: 3) and 20 nm (1: 4) Line/Space as well as the 50 nm (1: 1) elbow pattern. The Royal Society of Chemistry.
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