| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent ink from flowing into a wiring board during manufacture or use of an inkjet head. <P>SOLUTION: The inkjet head includes a nozzle substrate 10 having a nozzle 11a which discharges ink, and an actuator 15 which becomes a drive source for discharging ink from the nozzle 11a, and a wiring board 20 having the wiring for supplying power to the actuator 15. The wiring board 20 has a substrate body 21 having a through hole 21a, lower wiring 25 formed on the lower surface of the substrate body 21, upper wiring 23 formed from the upper surface of the substrate body 21 along the inner wall of the through hole 21a and connected to the lower wiring 25. Openings 23a, 25a communicating with the through hole 21a are formed in the upper wiring 23 and the lower wiring 25. <P>COPYRIGHT: (C)2012,JPO&INPIT |
