Section 892.1960 - Radiographic intensifying screen(a)Identification. A radiographic intensifying screen is a device that is a thin radiolucent sheet coated with a luminescent material that transforms incident x-ray photons into visible light and intended for medical purposes to expose radiographic film.(b)Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 892.9 .53 FR 1567, Jan. 20, 1988, as amended at 65 FR 2323 , Jan. 14, 2000