| 摘要 |
An inkjet printhead is provided having an ink supply channel, a plurality of actuators each having a conductive heater, a paddle, and an arm interconnecting the heater and paddle, and a plurality of ink ejection chambers each having a first wall in which a first aperture for ink ejection is defined, a second wall in which a second aperture is defined through which the arm of an associated actuator passes so that the heater is outside the chamber and the paddle is inside the chamber, and a third wall in which a third aperture is defined through which ink from the ink supply channel is communicated. The arm of each actuator incorporates a protruding shield configured to restrict the flow of ink through the associated second aperture.
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