| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid injection head and a liquid injection device capable of properly supplying a liquid from a reservoir to a pressure generation chamber and suppressing the occurrence of injection failures such as missing dot.SOLUTION: A liquid injection head includes a filter part 112 having a plurality of filter holes 111 in a part of supply communication paths 53, 54. The filter part 112 is composed of a repellent material. A diameter of the filter hole 111 is made to be equal to or larger than a diameter of a nozzle 81. |
