A flat panel image sensor is provided by combining the photoconductive imaging electrode of a vidicon with a two dimensional array of cold cathode field emitters commonly used for flat panel Field Emission Display (FED) systems. The FED operates normally to emit electrons which are accelerated in prior...http://www.google.fr/patents/US5567929?utm_source=gb-gplus-shareBrevet US5567929 - Flat panel detector and image sensor
