CRT with carbon-particle layer on a metallized viewing screen

Details CRT with carbon-particle layer on a metallized viewing screen CRT with carbon-particle layer on a metallized viewing screen

1984-05-07

1986-11-18

Bashore, S. Leon

Electric lamp and discharge devices

Cathode ray tube

Screen

313473, 427 64, H01J 2910

Patent

active

046238204

ABSTRACT:
A CRT comprising a screen support, a luminescent viewing screen on the support, a light-reflective metal layer on the screen, and a particulate layer of carbon particles and preformed silica particles on the metal layer. The particulate layer may be made by spraying a suspension of carbon (amorphous carbon and/or graphite) and silica (less than 0.1-micron size) on the metal layer while it is preheated in the 50.degree. to 75.degree. C. range.

REFERENCES:
patent: 2878411 (1959-03-01), Alvarez
patent: 3703401 (1972-11-01), Deal et al.
patent: 3878427 (1975-04-01), Godfrey
patent: 3878428 (1975-04-01), Kuzminski et al.
patent: 3909524 (1975-09-01), Ohkoshi et al.
patent: 4025661 (1977-05-01), Moscony et al.
patent: 4379762 (1983-04-01), Chivoda et al.
patent: 4393118 (1983-07-01), Marshall et al.
patent: 4425377 (1984-01-01), Deal et al.
"What CAB-O-SK is", Product brochure, published 1968, pp. 3-6.
"Typical Properties of Ludox Collodial Silicia", Product brochure, published Mar. 1984, p. 2.

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