| 摘要 |
Disclosed is a color cathode ray tube, comprising a glass bulb having a phosphor screen formed on the inner surface, a mask frame having a frame-like body arranged within the glass bulb, a shadow mask stretched between the mutually facing two sides of the mask frame, and a reinforcing band mounted to the outer circumferential surface of the glass bulb, wherein the reinforcing band exhibits a permeability mu falling within a range of between 430 and 640 under a magnetic field of 0.3 Oe.
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