| 摘要 |
covering a fluorescent material on the inner surface of a panel; mounting a frame where a shadow mask is fixed on the inner surface of the panel via an elastic supporter which includes a bimetal; reaching a temperature of the frame up to about 30deg.C and a temperature of the shadow mask up to about 70deg.C and executing an exposing operation in the state where the frame and the shadow mask are preheated.
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