%0 Journal Article %T Proximity effect correction for 20nm dimension patterning %A Tsunoda, Dai %A Jedrasik, Piotr %J Proceedings of SPIE %V 7271 %N 1 %P 72712S-72712S-9 %@ 0277-786X %D 2009-03-13 %I SPIE %~ DeepDyve