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IMPROVED INK-JET HEAD AND AN INKJET PRINTING APPARATUS INCLUDING THE SAME, CAPABLE OF ACHIEVING GOOD PRINTING REPRODUCTION BY ENABLING INK DROPLET TO HAVE A NORMAL SHAPE AND TO BE DISCHARGED IN A VERTICAL DIRECTION
IMPROVED INK-JET HEAD AND AN INKJET PRINTING APPARATUS INCLUDING THE SAME, CAPABLE OF ACHIEVING GOOD PRINTING REPRODUCTION BY ENABLING INK DROPLET TO HAVE A NORMAL SHAPE AND TO BE DISCHARGED IN A VERTICAL DIRECTION
PURPOSE: An improved ink-jet head and an inkjet printing apparatus including the same are provided to achieve good printing reproduction by enabling ink droplet to have a normal shape and to be discharged in a vertical direction and to enable an accurate amount of ink to be coated since the discharged ink droplet does not have an influence on the remaining ink.;CONSTITUTION: An improved ink-jet head comprises a nozzle hole, planar sections, recesses(227a) and inclined sections(227b). The nozzle hole comprises a plurality of outlets(222a) for discharging the ink. The planar section comprises a plurality of outlets. The recesses are formed between the nozzle holes. The recesses are convex based on planar sections. The inclined sections are formed on the sides of the nozzle holes in the longitudinal direction of the nozzle holes. The planar sections have a square shape. The recesses and the inclined sections have any one of a curve shape, a flat slope shape and a vertical slope shape.;COPYRIGHT KIPO 2011
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