Color picture tube with screen having light absorbing areas

Details Color picture tube with screen having light absorbing areas Color picture tube with screen having light absorbing areas

1980-08-07

1981-06-02

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

Using specific control or specific modification of exposure,...

313403, 313408, 313470, 354 1, 358 65, 358 68, 430 25, 430 26, 430396, G03C 500

Patent

active

042712475

ABSTRACT:
A tube of the shadow mask type having a line screen and a slit aperture mask wherein the slits are arranged in columns and the slits in each column are separated by web portions of the mask is improved by the addition to the screen of light absorbing material in patches located only in alignment with the webs.

REFERENCES:
patent: 3988777 (1976-10-01), Hosokoshi et al.
patent: 3993487 (1976-11-01), Hosokoshi et al.
patent: 4070498 (1978-01-01), Nishzawa et al.
patent: 4122461 (1978-10-01), Morean
patent: 4132470 (1979-01-01), Van Heek

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