Patent ID: 8546169

Claim:
A method of assembling a pressure sensor device, comprising the steps of: providing a metal sheet; forming a plurality of cavities on a first surface of the metal sheet; forming an electrically conductive pattern on the metal sheet and over the plurality of cavities, wherein the electrically conductive pattern comprises traces and electrically conductive bumps; forming an electrically insulating layer on the first surface and the electrically conductive pattern; processing the electrically insulating layer to form exposed areas and die attach areas on the first surface of the metal sheet and plating the exposed areas with a conductive metal, wherein exposed plated areas are electrically connected to respective ones of the electrically conductive bumps; dispensing a gel material on the die attach areas; attaching pressure sensor dies to respective die attach areas; attaching one or more additional semiconductor dies to the electrically insulating layer and electrically connecting bond pads of the additional semiconductor dies to the exposed plated areas; dispensing a molding compound onto the first surface of the metal sheet such that the molding compound covers the pressure sensor die and the one or more additional semiconductor dies; and removing the metal sheet such that outer surfaces of the electrically conductive bumps are exposed.