3d integrated electronic device structure including increased thermal dissipation capabilities

A microelectronic device structure including increased thermal dissipation capabilities. The structure including a three-dimensional (3D) integrated chip assembly that is flip chip bonded to a substrate. The chip assembly including a device substrate including an active device disposed thereon. A cap layer is phsyically bonded to the device substrate to at least partially define a hermetic seal about the active device. The microelectronic device structure provides a plurality of heat dissipation paths therethrough to dissipate heat generated therein.