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Publication of BE529088ApublicationCriticalpatent/BE529088A/xx
H01J29/45—Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen
H01J29/458—Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen pyroelectrical targets; targets for infrared or ultraviolet or X-ray radiations