Bright-Pixel Defects in Irradiated CCD Image Sensors


We have examined environmental radiation sources for digital cameras to find the origins of bright-pixel defects known to accumulate with time. We show that beta and gamma emissions from camera parts and lenses cause image transients, but permanent damage can occur with alpha particles from the CCD cover glass. Our experiments with 14-MeV- and thermal-neutron beams confirm that cosmic rays are the primary cause of new imager bright points.

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Correspondence to William C. McColgin.

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McColgin, W.C., Tivarus, C., Swanson, C.C. et al. Bright-Pixel Defects in Irradiated CCD Image Sensors. MRS Online Proceedings Library 994, 09941206 (2006).

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