Ink-jet printhead and method for manufacturing the same

Details Ink-jet printhead and method for manufacturing the same Ink-jet printhead and method for manufacturing the same

2006-03-28

2006-03-28

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S056000

Reexamination Certificate

active

07018019

ABSTRACT:
An ink-jet printhead, and a method for manufacturing the same. The printhead includes a substrate, a first insulating layer on the surface of the substrate, first and second conductors on the first insulating layer separated from each other, a heater including conductor connection layers for electrically connecting the first and second conductors to each other and between the first and second conductors. A second insulating layer is between the first and second conductors and between the conductor connection layers, and a barrier wall is provided on the substrate and defines an ink chamber filled with ink to be ejected. A nozzle plate is provided on the barrier wall, and forms upper walls of the ink chamber and in which nozzles, through which ink filled in the ink chamber is ejected, are formed.

REFERENCES:
patent: 4990939 (1991-02-01), Sekiya et al.
patent: 6224194 (2001-05-01), Kohno et al.
patent: 6293654 (2001-09-01), Pidwerbecki
patent: 6578951 (2003-06-01), Ozaki et al.

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