INKJET RECORDER

摘要

PROBLEM TO BE SOLVED: To provide an inkjet recorder having a stable printing characteristic by stabilizing a particle-making property by making a shape of a nozzle adequate and having the long-life nozzle. SOLUTION: This inkjet recorder has the nozzle of which the fluid channel is in a shape that a columnar section and a taper section are connected with each other. The tip portion of the nozzle is in a columnar shape having a diameter (a) and a length (b) and a value of b/a is made to be in the range of 0.5 to 1.5. The taper section to be connected to the opening section has a taper angle of not less than 30 degrees and not greater than 60 degrees. A distance (c) between the tip portion of the nozzle and the end of the taper section is made to be in the range of 100 to 300μm. COPYRIGHT: (C)2006,JPO&NCIPI