Color kinescopes and methods of making the same

Claim 1

METHOD OF MAKING A COLOR-KINESCOPE OF THE KIND THAT INCLUDES A TARGET-ASSEMBLY COMPRISING A MASK CONTAINING A SYSTEMATIC PATTERN OF APERTURES AND A TRANSPARENT ENVELOPE PORTION HAVING A COLOR-PHOSPHOR MOSAIC ON ITS INNER SURFACE AND A MASK-SUPPORTING RIM PORTION SURROUNDING SAID MOISAC, SAID METHOD COMPISING: PERMANENTLY SECURING SAID MASK TO SAID RIM PORTION AND THEREAFTER COATING SAID INNER SURFACE WITH A PHOTOSENSITIZED ORGANIC GEL CONTAINING PHOSPHOR PARTICLES OF ONE COLOR, EXPOSING SAID COATING TO LIGHT RAYS THROUGH THE APERTURES IN SAID MASK WHEREBY PHOTOGRAPHICALLY TO RECORD THE PATTERN OF SAID MASK APERTURES ON SAID SURFACE, WASHING SAID SURFACE TO DEVELOP THE PHOTOGRAPH THEREON, REPEATING SAID COATING, EXPOSING AND DEVELOPING STEPS FOR EACH OF THE OTHER COLORS OF SAID MOISAIC AND THEN HEATING SAID SURFACE TO VOLATALIZE AND REMOVE SAID ORGANIC GEL THEREFROM.