Patent ID: 8502327

Claim:
An apparatus, the apparatus comprising: a substrate layer having at least one conductive trace on a surface thereon; and an epitaxial device layer having a first side and an opposing second side, the first side of the epitaxial device layer bonded to the substrate layer, the epitaxial device layer comprising: at least one micro-electromechanical system (MEMS) device; and at least one epitaxial conductive pillar, wherein a first side of the at least one epitaxial conductive pillar is electrically connected to the at least one conductive trace and an opposing second side of the at least one epitaxial conductive pillar is mounted to an external circuit board, wherein the at least one epitaxial conductive pillar extends through the epitaxial device layer to electrically couple the at least one conductive trace to an interface surface on the second side of the epitaxial device layer.