Color picture tube having an electron gun with reduced...

Details Color picture tube having an electron gun with reduced... Color picture tube having an electron gun with reduced...

H - Electricity

01

J

313/35.14

H01J 29/48 (2006.01)

Patent

CA 2026957

A color picture tube includes a screen and an inline gun for generating and directing three inline electron beams along separate paths toward the screen. The gun includes a plurality of cathodes and at least six electrodes longitudinally spaced from the cathodes. The first, second and fourth electrodes from the cathodes are of materials having lower coefficients of thermal expansion than the coefficients of thermal expansion of the materials of the other electrodes.

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