Patent ID: 7026711
Filing Date: 2006-04-11
Classification: H01L

Abstract:
1. An apparatus, comprising: a device substrate having first and second opposing surfaces, the device substrate comprising a plurality of microelectronic devices; a plurality of electrically conductive members coupled to corresponding ones of the plurality of microelectronics device and extending away from the first surface; a package substrate coupled to the device substrate and having a plurality of electrically conductive traces coupled to corresponding ones of the plurality of electrically conductive members; a spreader substantially comprising an aluminum-copper alloy; at least one first thermally conductive layer interposing the second surface of the device substrate and the spreader and including: at least one stiffener interposing the spreader and the package substrate and substantially comprising a nickel-copper alloy; and at least one second thermally conductive layer interposing the stiffener and the spreader.