Color picture tube having improved slit type shadow mask

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

H - Electricity

01

J

313/35.16

H01J 29/07 (2006.01)

Patent

CA 1138516

RCA 74,322 Abstract A color picture tube having a cathodoluminescent screen, electron gun and a slit type apertured mask located between the screen and gun, wherein the slits in such mask are arranged in columns and the slits in each column are separated by webs, has an improved web configuration. Alternate webs within a column are of lesser thickness than the general mask thickness,with the alternate webs being offset toward the screen side of the mask.

366360

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