Method of forming fluorescent screens of color picture tubes

Details Method of forming fluorescent screens of color picture tubes Method of forming fluorescent screens of color picture tubes

1979-08-08

1981-01-27

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

Using specified radiation-sensitive composition other than a...

427 64, 427 68, 4272082, 430143, 430144, G03C 500

Patent

active

042476127

ABSTRACT:
In a method of forming a fluorescent screen on the inner surface of a face plate of a color picture tube wherein a film of photosensitive composition consisting essentially of a diazonium salt, the portions of the films to be deposited with phosphors are exposed to light through a color selection electrode so as to impart sticky property to the portions by a photoreaction and moisture in atmosphere and then a powder of phosphors is deposited by utilizing the sticky property, a photosensitive binder is incorporated into photosensitive film which undergoes a cross-linkage reaction with the photosensitive composition, thus rendering the mixture insoluble in water.

REFERENCES:
patent: 3224895 (1965-12-01), Rebel
patent: 3511654 (1970-05-01), Kishida et al.
patent: 3585034 (1971-06-01), Levinos
patent: 3734731 (1973-05-01), Jones et al.
patent: 3997344 (1976-12-01), Schlesinger et al.
patent: 4100321 (1978-07-01), Schlesinger et al.

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