Substrate for liquid discharge head, liquid discharge head...

Incremental printing of symbolic information – Ink jet – Ejector mechanism

Reexamination Certificate

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Details

C347S058000

Reexamination Certificate

active

07338150

ABSTRACT:
A number of steps is reduced by manufacturing an electrode pad connecting a liquid discharge head to an external wiring by the same step of a common wiring for supplying an electric power to a discharge energy generating portion. A number of manufacturing steps of a head is reduced by forming a substrate for a liquid discharge head having an electrode pad and a common wiring for supplying an electric power to a discharge energy as a metal film made of the same material as the electrode pad in accordance with a plating in a step of forming the common wiring of the metal film in accordance with a plating.

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J. Lee, et al., “A Monolithic Thermal Inkjet Printhead Utilizing Electrochemical Etching and Two-Step Electroplating Techniques”, IEEE Electron Devices Meeting, Washington DC, pp. 601-604 (1995).
J. Lee, et al., “Two-Dimensional Nozzle Arrangement in a Monolithic Thermal Inkjet Printhead for High-Resolution and High-Speed Printing”, IEEE Electron Devices Meeting, Washington DC, pp. 127-130 (1999).

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