A scorotron (from screen controlled corona), also called a corona grid, is a device which creates corona discharge current, used in xerography. Scorotrons appear in photocopiers, in xeroradiography equipment, and similar applications.
References
Thomas F. Hayne (January 1976), "Screen Controlled Corona Device (Scorotron) for Charging in a Xerographic Copier", IEEE Transactions on Industry Applications, IA-12 (1): 63–67, doi:10.1109/TIA.1976.349404, S2CID 15232361 /wiki/Doi_(identifier) ↩
"scorotron", PR Glossary, Precision Roller, retrieved 2019-10-01 https://www.precisionroller.com/definition/scorotron/ ↩
Christopher I. Udoyea; Hamid Jafarzadehb (January 2010), "Xeroradiography: Stagnated after a Promising Beginning? A Historical Review", European Journal of Dentistry, 4 (1): 95–99, doi:10.1055/s-0039-1697816, PMC 2798798, PMID 20046488, ...sensitization of the photoconductor plate in the charging station by depositing a uniform positive charge on its surface with a corona-emitting device called scorotron. /wiki/Doi_(identifier) ↩