Patent ID: 9583415
Date: 2017-02-28
CPC Classifications: H01L

Claim:
1. A package comprising: a die stack comprising at least two stacked dies, wherein the die stack comprises: a Thermal Interface Material (TIM) comprising: a molding compound comprising: a first metallic heat-dissipating feature over and contacting the top portion of the TIM; a second metallic heat-dissipating feature comprising a sidewall contacting a first sidewall of the sidewall portion of the TIM, wherein the second metallic heat-dissipating feature is at a same level as the die stack; and a heat pipe, with an entirety of the heat pipe in the second metallic heat-dissipating feature, wherein the heat pipe comprises a liquid therein, with the heat pipe configured to vaporize the liquid as a vapor, and condense the vapor to liquid, wherein in a top view of the package, the heat pipe encircles without crossing the die stack.