Patent ID: 6534906
Filing Date: 2003-03-18
Classification: H01J

Abstract:
A color cathode ray tube having a color separation electrode, the color separation electrode comprising:a pair of supports facing each other; a shadow mask provided with a plurality of slot apertures, said shadow mask being stretched in a state in which a tension force is applied in the vertical direction and fixed by said pair of supports; and elastic members arranged between said support, and holding said supports; wherein bridges connecting vertically adjacent slot apertures are formed on said shadow mask, each bridge having a bridge width, the narrowest bridge width is in a range of approximately 3-10% of a vertical pitch of the slot apertures, wherein each bridge having a bridge width in the range of 3-10% of the vertical pitch of the slot aperature comprise a maximum thickness less than that of said shadow mask, and wherein the maximum thickness is at least 50% and less than 100% of the thickness of said shadow mask.