Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-03-28
2006-03-28
Stephens, Juanita D. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S047000, C347S065000
Reexamination Certificate
active
07018017
ABSTRACT:
A monolithic ink-jet printhead includes a substrate having a lower ink chamber formed on an upper surface thereof, a manifold for supplying ink to the lower ink chamber formed on a bottom surface thereof, and an ink channel providing communication therebetween; a nozzle plate having a plurality of passivation layers and a metal layer sequentially stacked on the substrate, the nozzle plate having an upper ink chamber formed therein on a bottom surface of the metal layer, a nozzle in communication with the upper ink chamber formed on an upper surface of the metal layer, and a connection hole providing communication between the upper ink chamber and the lower ink chamber; a heater located between the upper ink chamber and the lower ink chamber for heating ink contained in the lower and upper ink chambers; and a conductor electrically connected to the heater to apply a current to the heater.
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Kim Young-jae
Kuk Keon
Lee Chang-seung
Lim Ji-hyuk
Oh Yong-soo
Lee & Morse P.C.
Samsung Electronics Co,. Ltd.
Stephens Juanita D.
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