Electronic component having a heat-sink thermally coupled to a heat-spreader
Abstract:
An electronic component includes one or more semiconductor dice embedded in a first dielectric layer, a heat-spreader embedded in a second dielectric layer and a heat-sink thermally coupled to the heat-spreader. The heat-spreader has a higher thermal conductivity in directions substantially parallel to the major surface of the one or more semiconductor dice than in directions substantially perpendicular to the major surface of the one or more semiconductor dice. The heat-sink has a thermal conductivity in directions substantially perpendicular to the major surface of the one or more semiconductor dice that is higher than the thermal conductivity of the heat-spreader in directions substantially perpendicular to the major surface of the one or more semiconductor dice. The heat-spreader and the heat-sink provide a heat dissipation path from the one or more semiconductor dice having a lateral thermal resistance which increases with increasing distance from the one or more semiconductor devices.
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