Process for manufacturing fluorescent film of a color braun...

Details Process for manufacturing fluorescent film of a color braun... Process for manufacturing fluorescent film of a color braun...

2006-03-07

2006-03-07

Angebranndt, Martin (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

With faceplate of phosphoric stripes

C430S023000, C430S025000, C427S068000, C427S071000, C427S072000, C427S073000

Reexamination Certificate

active

07008739

ABSTRACT:
The present invention is to provide a process for manufacturing a fluorescent film wherein the order of coating the fluorescent films of a color Braun tube and the thickness of the film are adjusted to reduce the amount of red fluorescent material employed for red fluorescent film without deteriorating the quality of the red fluorescent film, thereby lowering the cost for manufacturing. The process first forms the red fluorescent film on the panel of a color Braun tube and then forms the blue and green fluorescent films subsequently thereafter.

REFERENCES:
patent: 3146368 (1964-08-01), Fiore et al.
patent: 3697301 (1972-10-01), Donofrio et al.
patent: 4052519 (1977-10-01), Prazak, III
patent: 4572880 (1986-02-01), Miura
patent: 4770962 (1988-09-01), Brennesholtz
patent: 4859549 (1989-08-01), Hayashi
patent: 5213918 (1993-05-01), Donofrio
patent: 56-112051 (1981-09-01), None
Translation of JP 56-112051 Sep. 1981.

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