Main lens assembly for an electron gun

Details Main lens assembly for an electron gun Main lens assembly for an electron gun

1980-07-09

1982-09-21

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313460, 313313, H01J 2906, H01J 2982, H01J 2962

Patent

active

043509258

ABSTRACT:
An electron gun includes an electron beam source and at least two spaced apart successive electrodes. The successive electrodes are individually attached to, spaced from, and disposed concentric with and substantially within a ceramic cylinder. A resistive coating is uniformly disposed on at least an interior wall surface of the ceramic cylinder.

REFERENCES:
patent: 2545120 (1951-03-01), Swedlund
patent: 3201637 (1965-08-01), Snyder
patent: 3327160 (1967-06-01), Schlesinger
patent: 3376448 (1968-04-01), Schwartz
patent: 3729575 (1973-04-01), Harding et al.
patent: 3892992 (1975-07-01), Ishizuka
patent: 3909655 (1975-09-01), Grimmett et al.
patent: 3950667 (1976-04-01), DeJong et al.
patent: 4287450 (1981-09-01), Kawakami et al.

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