Patent ID: 8061807
Filing Date: 2011-11-22
Classification: B41J,G01D,G11B,Y10T

Abstract:
1. An inkjet printhead for a printer, the printhead having a plurality of micro-electromechanical nozzle assemblies, each nozzle assembly comprising: a substrate defining an ink inlet channel; an arm connected at a first end to a thermal actuator fast with said substrate via an anchor arrangement; and a nozzle defining an ink aperture over the ink inlet channel, wherein the nozzle has a nozzle rim connected to a second end of the arm opposite the first end and is displaceable towards the substrate by the actuator to eject ink from the aperture, and the nozzle includes a skirt portion depending downwards from the nozzle rim and a wall portion extending upwards from the substrate, the wall portion having an inwardly directed lip that forms a fluidic seal with the skirt portion.