| 摘要 |
PURPOSE:To improve heat-dissipating properties as the whole device, and to enhance reliability by preventing the narrowing of a space between an island and a heat spreader and excellent filling a section between both island and heat spreader with a sealing material. CONSTITUTION:Dimples 11c, 11d are formed to both surfaces of a heat spreader 11, and the dimple 11c of one surface is displaced and arranged at every half pitch to the dimple 11d of the other surface. |
