Patent ID: 7470010

Claim:
An inkjet printhead comprising: an array of ink chambers defined by sidewalls extending between a nozzle plate having a plurality of nozzles, and an underlying wafer substrate, each chamber having a nozzle in the nozzle plate, and an actuator for ejecting ink through the nozzle, one of the sidewalls of each chamber having an opening to allow ink to refill the chamber; an ink conduit between the nozzle plate and underlying wafer, the ink conduit being in fluid communication with the openings of a plurality of the ink chambers; a plurality of ink inlets defined in said substrate; and at least one priming feature extending through each of the ink inlets such that the surface tension of an ink meniscus at the ink inlet acts to draw the ink out of the inlet and partially along the flow path toward the ink chambers, wherein, the ink conduit is in fluid communication with the plurality of ink inlets for receiving ink to supply to the ink chambers.