Patent ID: 9698123
Date: 2017-07-04
CPC Classifications: H01L,H05K

Claim:
1. An apparatus comprising: a substrate comprising a non-metallic core having a plurality of vias formed therein, a dielectric layer on the non-metallic core, a metal layer on the dielectric layer, and a solder mask layer on the metal layer, wherein the metal layer has a surface, and a cavity is formed in the substrate that extends beyond the planar surface of the metal layer and through the solder mask layer; a first die comprising electronic circuitry, the first die being disposed in the cavity in the substrate and attached to the substrate; and a second die comprising electronic circuitry, wherein the second die is disposed above the first die, is electrically coupled to the first die, and is electrically coupled to the plurality of vias in the non-metallic core.