| 摘要 |
PROBLEM TO BE SOLVED: To correct a deviation of electron beam caused by heating of a color selecting mechanism for cathode-ray tube. SOLUTION: On a frame 36 which comprises a pair of supporting members 32, 33 opposite with each other and a pair of elasticity imparting members 34, 35 attached between the supporting members 32, 33, a plurality of band-like grid elements 37 are laid in a tensioned condition, and the pair of supporting members 32 (33) each formed by welding a fluorescent screen side member 32V (33V) which is a low heat expanding material and an electron gun side member 32H (33H) which is a high heat expanding material.
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