Acta Optica Sinica, Volume. 40, Issue 5, 0522001(2020)

Graded Multilayer Film Design Method of Anamorphic Magnification Extreme Ultraviolet Lithography Objective System

Mo Liu and Yanqiu Li*
Author Affiliations
  • Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
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    References(15)

    [1] Liu Y, Li Y Q. Aspherical surfaces design for extreme ultraviolet lithographic objective with correction of thermal aberration[J]. Optical Engineering, 55, 095108(2016).

    [3] Glatzel H, Ashworth D, Bremer M et al. Projection optics for extreme ultraviolet lithography (EUVL) micro-field exposure tools (METs) with a numerical aperture of 0.5[J]. Proceedings of SPIE, 8679, 867917(2013).

    [4] Cao Z. Optical design of high-NA Coaxial objective system for lithography[D]. Beijing: Beijing Institute of Technology, 48-57(2016).

    [6] Meisels R, Kuchar F. EUV Bragg reflectors with photonic superlattices[J]. Optics Express, 25, 32215-32226(2017).

    [7] Shen S H. Graded multilayer coating design for sub 11 nm resolution EUV lithographic projection lens[D]. Beijing: Beijing Institute of Technology, 29-38(2017).

    [8] Svechnikov M V, Chkhalo N I, Gusev S A et al. Influence of barrier interlayers on the performance of Mo/Be multilayer mirrors for next-generation EUV lithography[J]. Optics Express, 26, 33718-33731(2018).

    [9] van Setten E, Bottiglieri G, McNamara J et al. High NA EUV lithography: next step in EUV imaging[J]. Proceedings of SPIE, 10957, 1095709(2019).

    [10] Liu Y. Design of Off-axis extreme ultraviolet lithographic objective[D]. Beijing: Beijing Institute of Technology, 33-34(2016).

    [11] Zhang L C. Progress in EUV multilayer coating technologies[J]. Chinese Journal of Optics and Applied Optics, 3, 554-565(2010).

    [12] Liang C, Descour M R, Sasian J M et al. Multilayer-coating-induced aberrations in extreme-ultraviolet lithography optics[J]. Applied Optics, 40, 129-135(2001).

    [13] Duddles N J. Effects of Mo/Si multilayer coatings on the imaging characteristics of an extreme-ultraviolet lithography system[J]. Applied Optics, 37, 3533-3538(1998).

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    Mo Liu, Yanqiu Li. Graded Multilayer Film Design Method of Anamorphic Magnification Extreme Ultraviolet Lithography Objective System[J]. Acta Optica Sinica, 2020, 40(5): 0522001

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Sep. 19, 2019

    Accepted: Nov. 26, 2019

    Published Online: Mar. 10, 2020

    The Author Email: Li Yanqiu (liyanqiu@bit.edu.cn)

    DOI:10.3788/AOS202040.0522001

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