AEROSPACE SHANGHAI, Volume. 42, Issue 4, 89(2025)

Experimental Study on RTS Pixels of CMOS Image Sensors Induced by Space Protons

Zitao ZHAO1,2,3, Lin WEN1,2、*, Yudong LI1,2, Jie FENG1,2, Bingkai LIU1,2, and Qi GUO1,2
Author Affiliations
  • 1Xinjiang Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Urumqi830011,,China
  • 2Xinjiang Key Laboratory of Extreme Environment Electronic,Urumqi830011,,China
  • 3School of Electronic,Electrical and Communication Engineering,University of Chinese Academy of Sciences,Beijing100049,China
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    Figures & Tables(12)
    Schematic diagram of the 4T-CIS on-chip structure used in this paper[19]
    Flowchart of the testing and trial process
    Original and reconstructed signals of the RTS pixels,different colors represent different RTS pixels
    Characteristic parameters of the RTS
    Reconstructed signals of the RTSs with different levels,different colors represent different RTS pixels
    Numbers of RTS pixels with different numbers of levels
    Mean duration of the highest and lowest levels of the RTS pixels induced by 10 MeV protons
    Distribution of the maximum transition amplitude of the RTSs
    Transition probabilities between different levels
    Annealing rates of the hot pixels and RTS pixels
    • Table 1. Mean duration of RTS pixels with different numbers of levels

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      Table 1. Mean duration of RTS pixels with different numbers of levels

      RTS台阶数目台阶平均持续时间/s

      台阶

      1

      台阶2台阶3台阶4台阶5台阶6台阶7
      2台阶RTS194.3696.68
      3台阶RTS90.4567.5552.98
      4台阶RTS62.3950.9146.4037.94
      5台阶RTS43.0242.0838.2236.9133.65
      6台阶RTS40.4537.8133.8733.1030.7033.88
      7台阶RTS32.7532.1232.5832.6428.5034.7831.95
    • Table 2. Fitting results of the maximum transition amplitude of the RTSs

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      Table 2. Fitting results of the maximum transition amplitude of the RTSs

      拟合参数质子能量
      10 MeV30 MeV60 MeV
      k40.7730.1423.52
      υ(分布均值)1 745.511 739.131 743.38
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    Zitao ZHAO, Lin WEN, Yudong LI, Jie FENG, Bingkai LIU, Qi GUO. Experimental Study on RTS Pixels of CMOS Image Sensors Induced by Space Protons[J]. AEROSPACE SHANGHAI, 2025, 42(4): 89

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    Paper Information

    Category: Space Radiation Effects

    Received: Jun. 4, 2025

    Accepted: --

    Published Online: Sep. 29, 2025

    The Author Email:

    DOI:10.19328/j.cnki.2096-8655.2025.04.010

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