Acta Optica Sinica, Volume. 45, Issue 9, 0905001(2025)

Characteristics of Aperture in Angle‑Resolved Scatterometer

Jun Qiu1,2, Yuejing Qi1,2、*, Jing Ma1, Zhiyu Shi1,2, Miao Jiang3, and Jiangliu Shi3
Author Affiliations
  • 1Institute of Microelectronics of the Chinese Academy of Sciences, Beijing 100029, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Beijing Superstring Academy of Memory Technology, Beijing 100176, China
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    References(23)

    [3] Qiu J, Yang G H, Li J et al. Development and challenges of lithographical alignment technologies[J]. Acta Optica Sinica, 43, 1900001(2023).

    [6] Liu H, Wang J S, Shi J K et al. Overlay error measurement method based on through-focus scanning optical microscopy[J]. Acta Optica Sinica, 44, 0912004(2024).

    [7] Wei Y Y[M]. Theory and application of advanced lithography for VLSI(2016).

    [17] Bhattacharyya K, van Buel H W M, Fouquet C D et al[P]. Metrology method, target and substrate.

    [18] Daan S. Spectral shaping for next-generation overlay metrology[D], 29-36(2021).

    [19] Pandey N, Zhou Z L, Koolen A E A et al[P]. Metrology method and apparatus, computer program and lithographic system.

    [20] Hsieh H C, Wu K, Chen Y L et al. Aperture design and methods thereof[P].

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    Jun Qiu, Yuejing Qi, Jing Ma, Zhiyu Shi, Miao Jiang, Jiangliu Shi. Characteristics of Aperture in Angle‑Resolved Scatterometer[J]. Acta Optica Sinica, 2025, 45(9): 0905001

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    Paper Information

    Category: Diffraction and Gratings

    Received: Jan. 15, 2025

    Accepted: Mar. 13, 2025

    Published Online: May. 20, 2025

    The Author Email: Yuejing Qi (qiyuejing@ime.ac.cn)

    DOI:10.3788/AOS250503

    CSTR:32393.14.AOS250503

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