| 摘要 |
A DETENSIONING MASK FRAME ASSEMBLY (30) FOR A CATHODE RAY TUBE (10) INCLUDING A SUBFRAME (402) CONSTRUCTED OF SUPPORT MEMBERS (36,38,40,42) THAT PROVIDE A SUPPORT STRUCTURE FOR MASK HOLDING BLADES (420) IS DISCLOSED. THE SUPPORT MEMBERS HAVE DIFFERENT TEMPERATURE COEFFICIENT OF EXPANSION, SUH THAT WHEN HEATED, THE SUPPORT MEMBERS ARE DEFLECTED WITH DIFFERENT THERMAL EXPANSION RATES CAUSING THE MASK HOLDING BLADES TO MOVE TOWARD EACH OTHER, AND AS SUCH, RELIVE TENSION FROM THE MASK. (FIG. 3A)
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