Patent ID: 6392336
Filing Date: 2002-05-21
Classification: H01J

Abstract:
A glass funnel for a cathode ray tube including a substantially rectangular-shaped open end portion to be sealed with a panel portion, and comprising a neck portion for housing a set of electron guns, a yoke portion for mounting a deflection yoke coil, and a body portion extending between the open end portion and the yoke portion, wherein the body portion is formed in a funnel-like shape to merge from the open end portion into the yoke portion, and the body portion has an outer side thereof provided with contour lines with respect to the open end portion as viewed along the axis of the funnel-like shape, wherein the contour lines have an outwardly convex curvature at a central portion of each side surface of the body portion and the contour lines have an inwardly convex curvature at each of diagonal portions of the body portion.