In-line type electron gun structure

Details In-line type electron gun structure In-line type electron gun structure

1980-07-25

1983-04-26

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

H01J 2950

Patent

active

043814735

ABSTRACT:
In an in-line type electron gun structure including three in-line type electron guns and a plurality of grid electrodes respectively aligned with the electron guns, each sleeve electrode has a length equal to at least 50% of an inner diameter thereof and the inner diameter is gradually increased toward a free end of the sleeve-shaped electrode from a point at about one half of the length thereof. This construction eliminates an auxiliary electrode, thus reducing the cost of manufacturing.

REFERENCES:
patent: 4028581 (1977-06-01), Stratton

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