Ink-jet printhead

Details Ink-jet printhead Ink-jet printhead

2006-09-05

2006-09-05

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S061000

Reexamination Certificate

active

07101024

ABSTRACT:
An ink-jet printhead includes an ink chamber to be filled with ink to be ejected, a manifold, which supplies ink to the ink chamber, an ink channel, which provides communication between the ink chamber and the manifold, a nozzle through which ink is ejected from the ink chamber, first and second heaters, which heat ink in the ink chamber to generate bubbles, and a conductor, which is electrically connected to the first and second heaters and applies a current to the first and second heaters, wherein the first and second heaters are positioned symmetrically around a center of the nozzle, and one of the first and second heaters is positioned adjacent to the ink channel.

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Patent Abstracts of Japan, vol. 0100, No. 55 (M-458), Mar. 5, 1986 & JP 60 204374.

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