Patent ID: 8388114

Claim:
A liquid discharge head comprising: a liquid discharge unit including a plurality of discharge ports for discharging liquid; a liquid supply path for supplying liquid to the liquid discharge unit; a first flow path forming member including a groove that has a first opening width and forms a part of the liquid supply path and a concave portion having a second opening width larger than the first opening width, formed along an opening edge of the groove and shallower in depth than the groove; a second flow path forming member including a convex portion that has a third width larger than the first opening width and smaller than the second opening width, abuts on a bottom surface of the concave portion, and serves as a cap of the groove; and a bonding section that abuts on a side surface of the convex portion and a surface of the first flow path forming member where the groove is formed so as to bond the first flow path forming member and the second flow path forming member.