H Mizoguchi, H Nakarai, T Abe, T Ohta… - … EUV) Lithography V, 2014 - spiedigitallibrary.org
Since 2002, we have been developing a CO 2-Sn-LPP EUV light source, the most promising
solution as the 13.5 nm high power (> 200 W) light source for HVM EUV lithography …