Color display tube having color selection structure with rough s

Details Color display tube having color selection structure with rough s Color display tube having color selection structure with rough s

1992-02-25

1997-05-27

Coles, Sr., Edward L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313558, H01J 1724

Patent

active

056335598

ABSTRACT:
A color display tube comprising a color selection structure which is provided with a layer of getter material, the surface on which the layer of getter material being provided is rough. In this manner heat radiation is increased and doming of the color selection structure is reduced.

REFERENCES:
patent: 3689792 (1972-09-01), Ezawa
patent: 4692659 (1987-09-01), Takenaka et al.
patent: 4733125 (1988-03-01), Tokita
patent: 4754188 (1988-06-01), Watanabe et al.

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