Invention Application
US20140284040A1 HEAT SPREADING LAYER WITH HIGH THERMAL CONDUCTIVITY 审中-公开
具有高导热性的热膨胀层

HEAT SPREADING LAYER WITH HIGH THERMAL CONDUCTIVITY
Abstract:
Embodiments of the invention comprise a homogeneous heat spreading cap element in chip packages to facilitate better heat spreading and dissipation. The heat spreading cap comprises a single high-K graphite layer supported by a copper frame for increased stability and reduced thermal warpage during handling and operation while minimizing thermal penalty by reducing the amount of material having a relatively low heat conductivity that is needed in conventional heat spreading caps.
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