Paired drop ejector

Details Paired drop ejector Paired drop ejector

2009-08-19

2011-10-11

Feggins, Kristal (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

08033650

ABSTRACT:
A paired drop ejector includes a chamber having a first wall and a second wall opposite the first wall and a dividing wall disposed between the first and second wall; wherein the first and second wall include a first length and the dividing wall includes a second length less than the first length in which the dividing wall forms first and second portions of the chamber; a first heater disposed in the first portion of the chamber in fluid relation with a first nozzle in which the first heater provides thermal energy to eject a droplet of ink through the first nozzle; and a second heater disposed in the second portion of the chamber in fluid relation with a second nozzle in which the second heater provides thermal energy to eject a droplet of ink through the second nozzle.

REFERENCES:
patent: 4380018 (1983-04-01), Andoh et al.
patent: 5731827 (1998-03-01), Mantell et al.
patent: 5808643 (1998-09-01), Tracy et al.
patent: 2005/0157068 (2005-07-01), Lee et al.
patent: 2008/0252698 (2008-10-01), Kudo et al.
patent: 1 705 013 (2006-09-01), None

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