Tension mask color cathode ray tube apparatus

Details Tension mask color cathode ray tube apparatus Tension mask color cathode ray tube apparatus

1984-01-18

1986-06-17

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

220 21A, 313477R, H01J 2982, H01J 2981

Patent

active

045958572

ABSTRACT:
A color cathode ray tube includes a faceplate having a predetermined pattern of phosphor deposits on a target surface thereof and a rear envelope section. A color selection electrode assembly includes a frame supporting in tension a foil having a pattern of apertures related to the predetermined pattern of phosphor deposits. Means are provided for bonding the color selection electrode assembly between the faceplate and the rear envelope section with the pattern of foil apertures in registration with said pattern of phosphor deposits such that the color selection electrode assembly is incorporated as an integral part of the cathode ray tube envelope. The foil is sized and the frame adapted such that the foil is supported completely within the tube enclosure on a peripheral frame surface facing away from the said faceplate.

REFERENCES:
patent: 2961560 (1960-11-01), Fyler
patent: 3440469 (1969-04-01), Bradu et al.
patent: 3894321 (1975-07-01), Moore

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