Patent ID: 6283584
Filing Date: 2001-09-04
Classification: B41J

Abstract:
A flow feature structure for an ink jet printer comprising a polymeric nozzle plate having a nozzle plate thickness, the nozzle plate containing a plurality of ink chambers, each ink chamber containing a nozzle hole in fluid communication therewith, a plurality of ink channels each having a channel width and an ink channel inlet for providing ink flow from an ink supply region to one each of the ink chambers and an air bubble interrupter device having a width dimension perpendicular to a flow axis through the ink channel, the width dimension being from about 0.5 to about 1.2 times the ink channel width and the interrupter device being disposed adjacent each of the ink channels and spaced from the ink channel inlet a distance of from about 0.5 to about 1.2 times the ink channel width.