| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a liquid jetting head which can improve print quality by heating liquids passing through a plurality of introduction channels to an uniform temperature thereby making the jetting characteristics uniform, and to provide a liquid jetting head unit and a liquid jetting device. <P>SOLUTION: The liquid jetting head includes a head body equipped with a pressure generation chamber communicating with a nozzle opening through which liquid is jetted, and a pressure generation means for causing a pressure change in the pressure generation chamber, and a case 4 provided with introduction channels through which liquid is supplied to the pressure generation chamber in the head body. The plurality of introduction channels 56 are juxtaposed in the case 4, and a heating means 70 is provided on the side face of a fixing surface of the case 4 fixed to the head body along the juxtaposition direction of the introduction channels 56. The introduction channels 56 are provided so that the areas facing the heating means 70 is widened toward the opposite ends of the introduction channels 56 in the juxtaposition direction thereof. <P>COPYRIGHT: (C)2012,JPO&INPIT |
