Apparatus for forming a color television picture tube screen

Details Apparatus for forming a color television picture tube screen Apparatus for forming a color television picture tube screen

1975-08-25

1977-07-05

Gonzales, John

G03B 4100

Patent

active

040343820

ABSTRACT:
A substantially continuous line screen structure pattern is formed in a color television picture tube having an interrupted-aperture shadow mask by applying a photosensitive material to a screen support and projecting light from an extended source through the shadow mask apertures and onto the coated screen support. In a preferred embodiment, the line screen is formed by projecting light from a line source through a shadow mask having a plurality of rows of elongated apertures and onto the coated screen support.

REFERENCES:
patent: 3587417 (1971-06-01), Balder et al.
patent: 3633058 (1972-01-01), Kouno
patent: 3652895 (1972-03-01), Tsuneta et al.
patent: 3735677 (1973-05-01), Jones et al.

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