(under subclass 129) Subject matter in which storage is effected and information is represented by the persistent internal polarization by an established electric field in a photoconductive dielectric medium, i.e., photoelectret.
SEE OR SEARCH CLASS
355, Photocopying,
3+, for electric photography.
430, Radiation Imagery Chemistry: Process, Composition, or Product Thereof,
31+, for elements of electrical photography and radiation sensitive conductive compositions.
