Color picture tube having improved shadow mask

Details Color picture tube having improved shadow mask Color picture tube having improved shadow mask

H - Electricity

01

J

313/35.16

H01J 29/07 (2006.01) H01J 29/32 (2006.01) H01J 29/86 (2006.01)

Patent

CA 1237465

RCA 81,877 Abstract In an improved color picture tube having a substantially rectangular slit-aperture type shadow mask mounted therein in spaced relation to a substantially rectangular cathodoluminescent line screen, the spacing between adjacent aperture columns near the minor axis of the mask is less at the long sides of the mask than near the major axis of the mask.

503959

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