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18 March 2014 Co-optimization of the mask, process, and lithography-tool parameters to extend the process window
Xuejia Guo, Yanqiu Li, Lisong Dong, Lihui Liu
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J. of Micro/Nanolithography, MEMS, and MOEMS, 13(1), 013015 (2014). https://doi.org/10.1117/1.JMM.13.1.013015
Abstract
Optimization technologies have been widely applied to improve lithography performance, such as optical proximity correction and source mask optimization (SMO). However, most published optimization technologies were performed under fixed process conditions, and only a few parameters were optimized. A method for mask, process, and lithography-tool parameter co-optimization (MPLCO) is developed to extend the process window. A normalized conjugate gradient algorithm is proposed to improve the convergence efficiency of the MPLCO when optimizing different scale parameters. In addition, a parametric mask and source are used in the MPLCO that could obtain exceedingly low mask and source complexity compared with a traditional SMO.
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Xuejia Guo, Yanqiu Li, Lisong Dong, and Lihui Liu "Co-optimization of the mask, process, and lithography-tool parameters to extend the process window," Journal of Micro/Nanolithography, MEMS, and MOEMS 13(1), 013015 (18 March 2014). https://doi.org/10.1117/1.JMM.13.1.013015
Published: 18 March 2014
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