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Radiation Effects in Pinned Photodiode CMOS Image Sensors: Pixel Performance Degradation Due to Total Ionizing Dose

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Academic year: 2021

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Figure

Fig. 3. 4T PPD timing diagram showing the optional injection or dump phase.
Fig. 5 presents the Photon Transfer Curve (PTC) of sensor A and sensor B respectively, measured using a bandpass filter centered on 650 nm
Fig. 7. Sensor A and B saturation voltage drops measured at 650 nm with a photon fluence of ph/pixel (top) and sensor A EQE drop with TID at three wavelengths (bottom).
Fig. 9. Proposed mechanism for the observed CTE variations with TID illus- illus-trated by simplified electrostatic potential diagrams at the end of the transfer phase (TG still ON)
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