Patent ID: 7535714

Claim:
An apparatus including a metallic thermal interface comprising: a heat sink including a base portion and an extended surface portion; a module, having a metal cap including top and side portions, to be attached to said heat sink; a layer of metallic thermal interface material selected from the group consisting of indium and a malleable indium alloy; a depression in said heat sink base with wall surface portions capable of closely receiving said module metal cap portions; said module being positioned with said metal cap disposed in said heat sink depression with said layer of metallic thermal interface material positioned between said metal cap and the surface portions of said heat sink depression; sealing means extending continuously along the marginal periphery of said heat sink depression where it adjoins said module metal cap for sealing said module to said heat sink; and means for evacuating the interface between said module and the surface portions of said heat sink depression, whereby air is excluded from the thermal interface region between said module and said surface portions of said heat sink depression.