Patent ID: 6629755
Filing Date: 2003-10-07
Classification: B41J

Abstract:
An ink jet recording head comprising:a liquid discharging substrate provided with both (a) a plurality of energy generating elements for generating energy utilized to discharge liquid from a plurality of discharge ports, respectively, in response to an electric signal and (b) a plurality of connecting members electrically connected to said plurality of energy generating elements, respectively; and an electric wiring substrate having a plurality of connecting terminals connected to said plurality of connecting members, respectively, for transmitting an electric signal supplied from the outside to said plurality of energy generating elements, respectively, wherein each of said plurality of connecting members protrudes from said liquid discharging substrate by a predetermined first protrusion distance, said liquid discharging substrate has an insulating member comprised of at least one member disposed between two of said plurality of connecting members and protruding in the same direction as that in which said plurality of connecting members protrude, and a second protrusion distance of said insulating member is larger than the first protrusion distance of each of said plurality of connecting members.