Process for forming fluorescent screen

Details Process for forming fluorescent screen Process for forming fluorescent screen

1982-03-15

1983-10-04

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

430 26, 430 28, 430 29, 430144, 430291, G03C 500

Patent

active

044079168

ABSTRACT:
A process for forming a fluorescent screen, where polychroic patterns are successively formed from at least two kinds of phosphors having different color emission or black powder by means of a photosensitive substance capable of turning tacky by light irradiation, which comprises bringing a finer particulate filling material than particles of the phosphors in contact with tackified parts when or after the particles of the phosphors are applied to the tackified parts in the individual steps of forming patterns each of the individual phosphors. The filling material saturates the tackiness of the phosphor pattern in question in advance to formation of a phosphor pattern in the successive step, and a cause for contamination of the pattern of the preceding step with the phosphor of the successive step can be eliminated thereby.

REFERENCES:
patent: 2840470 (1958-06-01), Levine
patent: 4269918 (1981-05-01), Nonogaki et al.
patent: 4273842 (1981-06-01), Nonogaki et al.
patent: 4276363 (1981-06-01), Manabe et al.
patent: 4334009 (1982-06-01), Charles et al.

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