A microcircuit integrated cochlear electrode array and a process for the manufacture thereof, the electrode array comprising a multiconductor tail portion with longitudinally spaced outwardly exposed electrode receiving pads and a flat multiconductor head portion connected to the tail portion and having spaced outwardly exposed circuit attachment pads, the tail and head portions being laminated between a nonconductive film substrate and an insulating cover and the tail portion being helically wrapped into a helix with the electrode receiving circuit attachment pads exposed and carrying ring electrodes overmolded with a suitable polymeric material.