Ink-jet recording head, method for manufacturing ink-jet...

Details Ink-jet recording head, method for manufacturing ink-jet... Ink-jet recording head, method for manufacturing ink-jet...

2011-04-19

2011-04-19

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S064000

Reexamination Certificate

active

07926909

ABSTRACT:
An ink-jet recording head includes a substrate which has a first surface, a second surface opposed to the first surface, and energy-generating elements arranged above the first surface and configured to generate energy used to discharge ink. The recording head also includes discharge ports through which the ink is discharged and arranged to correspond to the energy-generating elements, ink channels communicatively connected to the discharge ports, a supply port which extends from the first surface to the second surface of the substrate and which is communicatively connected to the ink channels, and a film extending over the wall of the supply port. The film further extends on the first surface of the substrate and is covered with a first layer extending from the first surface of the substrate.

REFERENCES:
patent: 2005/0285916 (2005-12-01), Koyama et al.
patent: 2006/0256162 (2006-11-01), Hayakawa
patent: 9-11478 (1997-01-01), None

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