Patent ID: 7648228
Filing Date: 2010-01-19
Classification: B41J

Abstract:
1. A liquid ejection head, comprising: a plurality of nozzles having openings through which liquid is ejected; a plurality of pressure chambers which are connected to the nozzles, respectively; a space section forming member which defines a plurality of space sections arranged adjacently to the openings of the nozzles, respectively; and a liquid transmission hole forming member which is formed with a plurality of liquid transmission holes in coaxial positions with respect to the nozzles so as to oppose the openings of the nozzles across the space sections, respectively, wherein in terms of cross-sectional areas parallel to a plane including the openings of the nozzles, each of the space sections is smaller than each of the pressure chambers, and larger than each of the openings of the nozzles and the liquid transmission holes.