Electrode of color picture tube electron gun and method for manu

Details Electrode of color picture tube electron gun and method for manu Electrode of color picture tube electron gun and method for manu

1980-05-05

1982-12-28

Gensler, Paul L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

29 2517, 313458, 313460, H01J 2946, H01J 902

Patent

active

043664148

ABSTRACT:
A first grid electrode for an in-line type color picture tube electron gun and a method for fabrication thereof are disclosed. This electrode is formed of a single metal plate, and has a first recess having a predetermined width and depth formed in one surface of the metal plate and extending in the same direction as a direction in which a plurality of cathodes of the electron gun are arranged, and a second recess having a predetermined width and depth formed in the other surface of the metal plate and extending in the direction perpendicular to the extending direction of the first recess.

REFERENCES:
patent: 3866081 (1975-02-01), Hasker et al.
patent: 4242613 (1980-12-01), Brambring et al.
patent: 4272700 (1981-06-01), Collins
30AX Self-Aligning 110.degree. In Line Color TV Display, IEEE Spring Conference, Jun. 1978, presented by Philips.

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