24 July 2002 Optimization of organic bottom antireflective coatings' compatibility with ArF resists
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To have excellent compatibility with ArF resists is the goal in development of bottom antireflective coatings (B.A.R.C.) for 193nm lithographic application. We need to be able to adjust chemical compatibility and optical properties of ArF B.A.R.C. to accommodate various film stacks. We need to deliver ArF B.A.R.C. materials with excellent coating uniformity, long shelf life and ultra-low defect level. In the meantime, we also need to improve etch rate of the ArF B.A.R.C.s for shorter etch time. In this paper, we will focus on our recent efforts to optimize the organic ArF B.A.R.C.s' compatibility with ArF resists in the areas mentioned above.
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Zhong Xiang, Zhong Xiang, Jianhui Shan, Jianhui Shan, Eleazar Gonzalez, Eleazar Gonzalez, Hengpeng Wu, Hengpeng Wu, Shuji Ding, Shuji Ding, Mark Neisser, Mark Neisser, Bang-Chein Ho, Bang-Chein Ho, Harrison Chen, Harrison Chen, } "Optimization of organic bottom antireflective coatings' compatibility with ArF resists", Proc. SPIE 4690, Advances in Resist Technology and Processing XIX, (24 July 2002); doi: 10.1117/12.474186; https://doi.org/10.1117/12.474186

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