| 摘要 |
<p>PURPOSE:To lower the cost of the supporting system, by incorporating the thin resin frame and the extended resin sheet into one entity by heat-sealing. CONSTITUTION:The resin sheet 2 on which the pellets is adhered is extended in four directions. The thin resin frame 5 is mounted on it and the frame and the sheet is incorporated into one entity by heat-sealing. By this method, metallic frame is not needed and the cost can be substantially lowered.</p> |
