1. 1. Young C. Bae Seung-Hyun Lee, Rosemary Bell, Jong Keun Park, Thomas Cardolaccia, Yi Liu, Jibin Sun, Cecily Andes, Young Seok Kim and George G. Barclay, J. Photopolym. Sci.Tecnol., 24 (2) 211.
2. 2. Tarutani et al., Negative tone imaging in EUV, Extreme Ultraviolet Lithography Symposium, Brussels, 2012.
3. 3. H. Hijikata, T. Kozawa et al., EUV Symposium, 2009.
4. 4. A. Nakano, T. Kozawa et al., Jpn. J. Appl. Phys., 45 (2006) 6866.
5. 5. R. Hirose, T. Kozawa et al., Appl. Phys. Exp., 1 (2008) 027004.