(b) with respect to a colour cathode-ray
television picture tube (including video monitor or video projector cathode-ray tube), an assembly which consists of
a glass panel and a shadow mask or aperture grille, attached for ultimate use, which is suitable for incorporation into a colour cathode- ray
television picture tube (including video monitor or video projector cathode-ray tube), and which has undergone the
...[+++] necessary chemical and physical processes for imprinting phosphors on the glass panel with sufficient precision to render a video image when excited by a stream of electrons; or