Fig. 1. Fundamental structure diagram of typical CCD pixel

Fig. 2. Experimentalbeam path diagram

Fig. 3. Output images of CCD detector at different irradiation time. (a) 1.0 s; (b) 2.0 s; (c) 3.0 s; (d) 4.0 s

Fig. 4. Surface damage morphology of CCD detector at different irradiation time. (a) 1.0 s; (b) 2.0 s; (c) 3.0 s; (d) 4.0 s

Fig. 5. Imaging of detection target by CCD after irradiation different time.(a) 0 s; (b) 1.0 s; (c) 2.0 s; (d) 3.0 s; (e) 4.0 s

Fig. 6. Optical micrographs of encapsulated glass when the damage time is from 1.0 s to 4.0 s. (a) 1.0 s; (b) 2.0 s; (c) 3.0 s; (d) 4.0 s

Fig. 7. Output images of CCD (302 pixel×297 pixel) and damage images of CCD at different damage time

Fig. 8. Damage morphology of encapsulated glass at different damage time. (a) 5.5 s; (b) 6.0 s; (c) 6.4 s; (d) 6.8 s

Fig. 9. Imaging of detection target by CCD at different irradiation time. (a) 5.5 s; (b) 6.0 s; (c) 6.4 s; (d) 6.8 s

Fig. 10. (a) Output image of CCD; (b) SEM morphology of CCD multilayer structure; (c) damaged encapsulates glass; (d) detection target iamge when damage time is 7.0 s

Fig. 11. Images quality at different damage time

Fig. 12. Curve of damage assessment equation