摘要
The 9 and 12 MeV proton irradiations of the Chinese CMOS Image Sensor in the fluence range from 1× 10^9 to 4×10^10 cm^-2 and 1 × 10^9 to 2×10^12 cm^-2 have been carried out respectively. The color pictures and dark output images are captured, and the average brightness of dark output images is calculated. The anti-irradiation fluence thresholds for 9 and 12 MeV protons are about 4×10^l0 and 2×10^12 cm^-2, respectively. These can be explained by the change of the concentrations of irradiation-induced electron-hole pairs and vacancies in the various layers of CMOS image sensor calculated by the TRIM simulation program.
The 9 and 12 MeV proton irradiations of the Chinese CMOS Image Sensor in the fluence range from 1× 10^9 to 4×10^10 cm^-2 and 1 × 10^9 to 2×10^12 cm^-2 have been carried out respectively. The color pictures and dark output images are captured, and the average brightness of dark output images is calculated. The anti-irradiation fluence thresholds for 9 and 12 MeV protons are about 4×10^l0 and 2×10^12 cm^-2, respectively. These can be explained by the change of the concentrations of irradiation-induced electron-hole pairs and vacancies in the various layers of CMOS image sensor calculated by the TRIM simulation program.
基金
National Natural Science Foundation of China(10375034,10075029)