| 摘要 |
PROBLEM TO BE SOLVED: To improve an initial drift in addition to a main drift. SOLUTION: A plate-shaped supporting member 20 for mounting a color selection mechanism 3 on the inside surface side of a phosphor panel 2 consists of a welding part 21 welded to the color selection mechanism 3 side, a locking part 22 locked to the phosphor panel 2 side, and an intermediate part 23 for connecting them, and a pair of bent traces 24 partitioning the welding part 21, the locking part 22, and the intermediate part 23 is formed in parallel each other at the specified angleθto the width direction A on the supporting member 20. The supporting member 20 is arranged at the right, left, top and bottom of the color selection mechanism 3.
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