Patent ID: 8369553

Claim:
A hearing assistance device for an ear of a wearer, comprising: a microphone for receiving sound; hearing assistance electronics in communications with the microphone, the hearing assistance electronics including a hybrid circuit comprising: an addressable first integrated circuit die including a plurality of integrated circuits connected to a plurality of active pads, the first integrated circuit die including one or more through-silicon-vias (TSVs) located within an area defined by the plurality of active pads; an addressable second integrated circuit die having a plurality of contacts; and a first redistribution layer positioned between the first and second integrated circuit dies and adapted to connect at least one TSV of the one or more TSVs of the first integrated circuit die to at least one contact of the plurality of contacts of the second integrated circuit die; wherein the first redistribution layer includes traces that are severed to configure addressing of the first and second integrated circuit dies; and a wearable housing configured to house at least the hearing assistance electronics.