Patent ID: 7494208

Claim:
An inkjet printhead, comprising: a manifold coupled to a plurality of ink channels, each ink channel including a restrictor, an ink chamber and a nozzle, wherein each ink chamber includes a cantilever actuator having a fixed end and a deflectable end, the cantilever actuator being disposed in the ink chamber and extending parallel to an upper surface of the ink chamber toward the restrictor, the upper surface of the ink chamber facing away from the nozzle, wherein the deflectable end of the cantilever actuator is configured to deflect away from the upper surface of the ink chamber to eject ink via the nozzle, and wherein upon deflection of the deflectable end of the cantilever actuator away from the upper surface of the ink chamber, the deflectable end is configured to be adjacent to a portion of a channel plate defining a sidewall of the ink chamber to restrict a backflow of ink from the ink chamber to the restrictor.