Patent ID: 7934811
Filing Date: 2011-05-03
Classification: B41J,C08G,C09D

Abstract:
1. An inkjet printhead, comprising: a substrate including a heater; and an ink flow path including a chamber layer stacked on the substrate and having an ink chamber surrounding the heater to contain ink, and a nozzle layer having a plurality of nozzles to eject ink from the ink chamber, wherein at least one of the chamber layer and the nozzle layer comprises a hardened polymer resist composition including a metal to dissipate residual heat generated by the heater, and wherein the hardened polymer resist composition is a conductive epoxy-based material comprising a cationically cross-linked reaction product of at least one epoxy precursor polymer and at least one of a metal alkoxide, a hydrolysis product of a metal alkoxide, and a condensation product of a metal alkoxide, wherein the metal alkoxide is represented by R′M(OR) R′ is a functional group including an oxirane group or an oxetanyl group, R is a C