CRT with means for suppressing arcing therein

Details CRT with means for suppressing arcing therein CRT with means for suppressing arcing therein

1980-05-28

1982-10-05

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313417, H01J 2902, H01J 2982

Patent

active

043530060

ABSTRACT:
A CRT comprising an evacuated envelope having an electrically-insulating neck and a beaded electron-gun mount assembly in the neck. The beads of the assembly are closely spaced from the inner surface of the neck. At least a portion of the surface of each of the beads opposite the neck carries a patch of chromium oxide.

REFERENCES:
patent: 3355617 (1967-11-01), Schwartz et al.
patent: 3758802 (1973-09-01), Kubo et al.
patent: 3979632 (1976-09-01), Gunning et al.
patent: 4288719 (1981-09-01), Hernqvist
"The Effect of Chromium Oxide Coatings on Surface Flashover of Alumina Spacers in Vacuum", by T. S. Sudarshan et al., IEEE Transactions on Electrical Insulation, vol. E1-11, pp. 32-35, Mar. 1976.

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