Ink-jet print head with a chamber sidewall heating mechanism...

Details Ink-jet print head with a chamber sidewall heating mechanism... Ink-jet print head with a chamber sidewall heating mechanism...

2007-04-24

2007-04-24

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S056000

Reexamination Certificate

active

10890121

ABSTRACT:
An ink-jet print head with a chamber sidewall heating mechanism includes a substrate, an insulation layer on the substrate, a main channel penetrating through the substrate, a plurality of V-shaped micro-channels each having a diverging end linking with the main channel and a converging end linking with an ink chamber on the insulation layer, and a nozzle plate with a plurality of orifices formed on the ink chamber. The V-shaped micro-channels are perpendicular to the main channel and parallel to and arranged on the insulation layer. Each chamber sidewall includes a heater structure to evaporate ink in the chamber to form a bubble, which pushes the ink in the chamber to eject from the orifice.

REFERENCES:
patent: 5682188 (1997-10-01), Meyer et al.
patent: 6019457 (2000-02-01), Silverbrook
patent: 6561626 (2003-05-01), Min et al.
patent: 535230 (1992-06-01), None

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