%0 Journal Article %T Beyond k1=0.25 lithography: 70-nm L/S patterning using KrF scanners %A Ebihara, Takeaki %A Levenson, Marc D. %A Liu, Wei %A Oga, Toshihiro %A Shen, Meihua %J Proceedings of SPIE %V 5256 %N 1 %P 985-994 %@ 0277-786X %D 2003-12-15 %I SPIE %~ DeepDyve