| 摘要 |
Semiconductor assemblies having reduced thermal spreading resistance and methods of making the same are described. In an example, a semiconductor device includes a primary integrated circuit (IC) die and at least one secondary IC die mounted on the primary IC die. A heat extraction element includes a base mounted to the semiconductor device such that each of the at least one secondary IC die is between the primary IC die and the heat extraction element. At least one dummy fill is adjacent the at least one secondary IC die, and each thermally couples the primary IC die to the heat extraction element.
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