Fluid ejection device

Details Fluid ejection device Fluid ejection device

2005-04-26

2005-04-26

Gordon, Raquel Yvette (Department: 2853)

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Reexamination Certificate

active

06883889

ABSTRACT:
In one embodiment, the present invention recites a fluid ejection device comprising a first drop ejector configured to cause fluid having a first drop weight to be ejected from the firing chamber, and includes a first heating element. A first bore, disposed within an orifice layer proximate to the first drop ejector, is associated with the first drop ejector. A second drop ejector is configured to cause fluid having a second drop weight to be ejected from the firing chamber, and includes a second heating element A second bore, disposed within the orifice layer proximate to the second drop ejector, is associated with the second drop ejector. A voltage source, coupled in series with the first drop ejector and the second drop ejector, is configured to generate a first voltage for activating the first drop ejector individually and a second voltage for activating the first drop ejector and the second drop ejector substantially concurrently.

REFERENCES:
patent: 6527370 (2003-03-01), Courian et al.

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