US Patent 7944046 Heat spreader for a multi-chip package

Embodiments of a heat spreader and an assembly including such a heat spreader are disclosed. The heat spreader includes a stiffening member, which in one embodiment comprises a wall extending from a lower surface of the heat spreader. The wall may be coupled with a substrate, and the addition of this wall may decrease warpage of the substrate and increase package stiffness. The wall may be located between adjacent integrated circuit die that are disposed on the substrate. Other embodiments are described and claimed.