High resolution ink jet printhead

B - Operations – Transporting – 41 – J

Patent

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B41J 2/14 (2006.01)

Patent

CA 2556091

A high resolution printhead for an ink jet printer. The printhead includes a semiconductor substrate containing at least one ink feed edge and a plurality of ink ejection actuators spaced a distance from the ink feed edge. Each of the ink ejection actuators has an aspect ratio ranging from about 1.5:1 to about 6:1. A nozzle plate is attached to the semiconductor substrate. The nozzle plate contains a plurality of nozzle holes, ink chambers and ink channels laser ablated in the nozzle plate corresponding to the plurality of ink ejection actuators. Adjacent nozzle holes are spaced apart with a pitch ranging from about 600 to about 1200 dpi. The distance from the ink feed edge is substantially the same for each of the ink ejection actuators.

Tête d'impression à haute résolution pour imprimante à jet d'encre. La tête d'impression comprend un substrat à semi-conducteur comprenant au moins un bord d'alimentation en encre ainsi qu'une pluralité d'actionneurs d'éjection d'encre espacés d'une certaine distance du bord d'alimentation en encre. Chacun des actionneurs d'éjection d'encre a un rapport de forme allant d'environ 1,5:1 à environ 6:1. Une plaque de buses est fixée au substrat à semi-conducteur. La plaque de buses contient une pluralité de trous de buses, des chambres d'encre ainsi que des canaux d'encre taillés au laser dans la plaque de buses correspondant à la pluralité d'actionneurs d'éjection d'encre. Les trous des buses adjacents sont espacés selon un pas allant d'environ 600 à environ 1200 dpi. La distance à partir du bord d'alimentation en encre est sensiblement identique pour chacun des actionneurs d'éjection d'encre.

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