Patent ID: 7059707

Claim:
An ink jet print head comprising: a head chip for jetting ink-jet ink stored in a groove formed in a piezoelectric ceramic plate from a nozzle aperture by changing a capacity of the groove; a nozzle plate bonded to an end face of the head chip at which the groove opens, the nozzle plate having the nozzle aperture formed therein; a nozzle support plate arranged around an outer periphery of the head chip on the side of the nozzle plate; a flow passage substrate for supplying ink to the groove, the flow passage substrate being bonded to the head chip on the side of the end face at which the groove opens; an interconnecting portion interconnecting the head chip and a circuit substrate for driving the head chip by a flexible print substrate through an anisotropic conductor film; and a sealant molded over the entire outer periphery of the interconnecting portion and having a two-layered molding structure comprised of a first layer contacting the outer periphery of the interconnecting portion and comprising a low viscosity sealant (50 pa·s or below) and a second layer covering the first layer and comprising a high viscosity sealant (70 ps·a or more).