Acta Optica Sinica, Volume. 40, Issue 15, 1522002(2020)

Design of Reflective Projection Optics Used in Lithographic Focusing and Leveling System

Shengsheng Sun1,2、**, Dan Wang1, Yuejing Qi1,2, and Mingcheng Zong1,2、*
Author Affiliations
  • 1Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    References(13)

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    [8] Jasper J C M, Loopstra E R, Modderman T M et al. -04-29(2004).

    [9] Yan W, Yang Y, Chen W F et al. Moiré-based focusing and leveling scheme for optical projection lithography[J]. Applied Optics, 49, 5959-5963(2010).

    [11] Zhuang Y Z, Qi J C, Chen X J. Research on test method of focusing and leveling system based on scanning mirror modulation[J]. Transducer and Microsystem Technologies, 36, 45-47(2017).

    [13] Huang Y S, Ni Z J. Research of the concentric three-reflection optical system[J]. Optical Instruments, 27, 42-46(2005).

    [14] Jang J H, Park T, Park K D et al. Focus control budget analysis for critical layers of flash devices[J]. Proceedings of SPIE, 9050, 90502F(2014).

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    Shengsheng Sun, Dan Wang, Yuejing Qi, Mingcheng Zong. Design of Reflective Projection Optics Used in Lithographic Focusing and Leveling System[J]. Acta Optica Sinica, 2020, 40(15): 1522002

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Mar. 26, 2020

    Accepted: May. 6, 2020

    Published Online: Aug. 14, 2020

    The Author Email: Sun Shengsheng (sunshengsheng@ime.ac.cn), Zong Mingcheng (zongmingcheng@ime.ac.cn)

    DOI:10.3788/AOS202040.1522002

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