An imaging plate comprising a first conductive layer having a plurality of conductive segments arranged thereabout, a photoconductive sandwich structure affixed to the first conductive layer, and a second conductive layer integrally affixed to the side of the photoconductive sandwich structure opposite...http://www.google.fr/patents/US4857723?utm_source=gb-gplus-shareBrevet US4857723 - Segmented imaging plate structure
