FRAME FOR COLOR SELECTION MECHANISM OF CATHODE-RAY TUBE, COLOR SELECTION MECHANISM OF CATHODE-RAY TUBE, CATHODE-RAY TUBE AND MANUFACTURE OF THE FRAME

摘要

PROBLEM TO BE SOLVED: To eliminate defects in a cathode-ray tube such as deterioration of characteristics and abnormal discharge, by preventing welding gas and rustproof oil from seeping out after assembly and a shot blast ball from remaining. ;SOLUTION: This frame 1 to stretch a color selection electrode sheet of a cathode-ray tube has a pair of confronting support members 2, 3 to be combined with the color selection electrode sheet and elastic addition members 4, 5 stretched between both end parts of the support members 2, 3, and a hole 6 for releasing welding gas is provided at a position where the elastic addition members 4, 5 of the support members 2, 3, are welded.;COPYRIGHT: (C)1999,JPO