| 摘要 |
<p>A cathode ray tube (1) includes a tension mask (30) attached to a rectangular mask frame assembly (10) that has two longs sides (22, 24) paralleling a central major axis X thereof and two short sides (26, 28) paralleling a central minor axis Y thereof. A pair of support blade members (40, 140) are attached each to one of the long (22, 24) or short sides (26, 28) at a central location. Each support blade member (40, 140) includes an inner edge having of a plurality of first sides (42, 44, 46) formed from a relatively low coefficient of thermal expansion material and an outer edge having a second side formed of a material having a relatively high coefficient of thermal expansion. Each edge having a centroid separated from each other along the minor axis Y.</p> |
