Monolithic ink jet nozzle formed from an oxide and nitride compo

Details Monolithic ink jet nozzle formed from an oxide and nitride compo Monolithic ink jet nozzle formed from an oxide and nitride compo

1998-01-09

2000-11-28

Moses, Richard

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 47, B41J 2135

Patent

active

061542342

ABSTRACT:
An ink jet nozzle. The ink jet nozzle includes a substrate having an upper surface in which an ink energizing element is attached to the upper surface of the substrate. The ink jet nozzle further includes an oxide-nitride or oxide-carbide composite orifice layer. The oxide-nitride composite orifice layer includes a lower surface conformally connected to the upper surface of the substrate, and an exterior surface facing away from the substrate. The oxide-nitride composite orifice layer defines a firing chamber. The firing chamber opens through a nozzle aperture in the exterior surface, and extends downward with a negative slope through the oxide-nitride orifice layer to expose the ink energizing element.

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patent: 5812158 (1998-09-01), Murthy et al.
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