Patent ID: 8277023
Filing Date: 2012-10-02
Classification: B41J,Y10T

Abstract:
1. An inkjet printhead, comprising: a substrate; a chamber layer formed on the substrate, the chamber layer defining therein an ink chamber; and a nozzle layer formed on the chamber layer, the nozzle layer having formed therein a nozzle in fluid communication with the ink chamber, wherein the nozzle layer is formed of a cured product of a photosensitive dry film comprising a light absorption material; wherein the photosensitive dry film comprises a prepolymer, 1 to 10 parts by weiqht, based on 100 parts by weight of the prepolymer, of a photoinitiator, 0.03 to 5 parts by weight, based on 100 parts by weight of the prepolymer, of the light absorption material, wherein the light absorption material is one that does not participate in the crosslinkinq reaction of the prepolymer.