Hot pixel behavior in WFC3 CCD detectors irradiated under operational conditions

Details Hot pixel behavior in WFC3 CCD detectors irradiated under operational conditions Hot pixel behavior in WFC3 CCD detectors irradiated under operational conditions

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5167..258p&link_type=abstract

Focal Plane Arrays for Space Telescopes. Edited by Grycewicz, Thomas J.; McCreight, Craig R. Proceedings of the SPIE, Volume 51

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Scientific paper

A Hubble Space Telescope Wide Field Camera 3 (WFC3) CCD detector was tested for radiation effects while operating at -83°C. The detector has a format of 2048 x 2048 pixels with a 15 μm square pixel size, a supplemental buried channel, an MPP implant, and is back side illuminated. Detector response was tested for total radiation fluences ranging from 1x103 to 2.5x109 of 63.3 MeV protons/cm2 and for a range of beam intensities. Radiation damage was investigated and the annealing of damage was tested by warming up to +30°C. The introduction rate of hot pixels and their statistics, hot pixel annealing as a function of temperature and time, and radiation changes to the mean value of dark current were investigated. Results are compared with the experiences of other HST instruments.

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