Patent ID: 8678549

Claim:
An inkjet printhead assembly comprising: an elongate ink manifold having first and second opposite faces, the first face having a plurality of ink feed channels extending longitudinally therealong, the second face having plurality of rows of outlets, each outlet being in fluid communication with a respective one of the ink feed channels, at least some of said outlets being defined by terminal portions of surface channels defined in the second face, the surface channels extending transversely across the second face; an adhesive film bonded to the second face of the ink manifold so as to cover the surface channels, the adhesive film defining a plurality of openings, each opening being aligned with a respective one of the outlets to provide an ink path through the adhesive film; and one or more printhead integrated circuits bonded to the adhesive film, each printhead integrated circuit comprising: an elongate silicon substrate having a frontside and a backside, the backside being bonded to the adhesive film; a plurality of rows of nozzle chambers disposed at the frontside of the substrate, each row comprising a plurality of nozzle chambers, each nozzle chamber having a respective nozzle opening defined in a roof thereof and a respective inlet a plurality of ink supply channels defined in the backside of the substrate, each ink supply channel extend longitudinally along the backside of the substrate, each ink supply channel being aligned with one row of said outlets, each ink supply channel providing fluidic communication between said row of outlets and at least one row of nozzle chambers.