| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid ejection head which can discharge bubbles easily by reducing pressure loss of liquid, and to provide a liquid injection apparatus. SOLUTION: A series of channels for supplying liquid to a nozzle for injecting the liquid from a means storing the liquid are provided. A filter 27 having a plurality of micropores and a filter chamber 31 as an enlarged portion for arranging the filter 27 are provided in the way of the supply channels. The filter 27 is provided with a tubular protrusion 60 protruding to the upstream side of the liquid and having the axial direction in the liquid flow direction. COPYRIGHT: (C)2007,JPO&INPIT |
