Patent ID: 8006384

Claim:
A method of producing a pagewidth inkjet printhead, the method comprising: forming a substrate having defined therein a nozzle chamber operable to receive and store a fluid, the chamber fed at one side by an inlet passage; forming a nozzle plate in-situ on the substrate to define a nozzle opening on an opposite side of the nozzle chamber to the inlet passage; and forming a heater element including an electrically conductive element between the nozzle opening and the inlet passage, the heater element formed such that the electrically conductive element is in direct contact with the fluid in the nozzle chamber, wherein the heater element is cantilever supported at one end by the nozzle chamber, and the electrically conductive element includes two major face, a first major face facing the nozzle opening, and a second major face facing the inlet passage, the first and second major faces both in direct contact with the fluid in the nozzle chamber.