Patent ID: 9033481
Filing Date: 2015-05-19
Classification: B41J,Y10T

Abstract:
1. A liquid droplet ejection head comprising: plural nozzles configured to eject liquid droplets; plural individual liquid chambers in communication with the plural nozzles; a common liquid chamber configured to supply liquid to the plural individual liquid chambers; a filter sheet member disposed in a liquid flow path to supply liquid from the common liquid chamber to the plural individual liquid chambers and including plural pores formed therein to filter the liquid; and a frame body including an opening part and being in connection with the filter sheet member with adhesive applied therebetween, wherein a size of a region where the plural pores are formed in the filter sheet member is greater than a size of the opening part of the frame body, wherein the frame body is bonded on a bonding surface side thereof, via the adhesive, to the filter sheet member, wherein the frame body includes an R-shaped part formed as an inner peripheral part of the opening part and on a bonding surface side of the frame body, wherein the adhesive bonding the frame body to the filter sheet member protrudes into an adhesive accumulation area constituted by a space between the R-shaped part and the filter sheet member, and wherein a size of the R-shaped part in a protruding direction of the adhesive is greater than or equal to a size of an area between adjacent pores in the filter sheet member.