| 摘要 |
<p>The invention concerns an ink jet printhead including: a plurality of nozzles each adapted to eject drops of ink (14) toward a surface to be printed; wherein, each of the nozzles has an external actuator (10) and an apertured roof portion (6); the roof portion (6) defining an inner surface for contacting the ink and an opposing outer surface operatively connected to the external actuator (10) such that the actuator (10) moves the roof portion (6) away from the surface to be printed to eject the ink (14).</p> |
