Ink jet head

Details Ink jet head Ink jet head

B - Operations, Transporting

41

J

B41J 2/04 (2006.01) B41J 2/14 (2006.01)

Patent

CA 2221119

There is disclosed an ink jet head comprising plural discharge energy generating elements for generating energy to be used for discharging ink droplets, ink discharge openings for discharging the ink droplets, a substrate bearing thereon an array of the plural discharge energy generating elements and an ink supply aperture consisting of a penetrating hole extending along the direction of array of the discharge energy generating elements, and an orifice plate provided with the ink discharge openings, in which the substrate and the orifice plate are mutually adjoined to define therebetween ink paths connecting the ink discharge openings and the ink supply aperture, wherein the orifice plate comprises plural projections in a position corresponding to the ink supply aperture.

L'invention est une tête à jet d'encre comportant plusieurs éléments générateurs d'énergie de projection de gouttelettes d'encre, des orifices de projection de gouttelettes d'encre, un substrat portant un réseau d'éléments générateurs d'énergie de projection et une ouverture d'amenée d'encre constituée d'un trou pénétrant le long du réseau d'éléments générateurs d'énergie de projection, et une plaque portant les orifices de projection de gouttelettes, le substrat et la plaque à orifices étant joints de façon à établir entre eux des trajets d'encre reliant les orifices de projection et l'ouverture d'amenée d'encre.

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