Patent ID: 6513896
Filing Date: 2003-02-04
Classification: B41J,Y10T

Abstract:
An inkjet printhead capable of printing smaller and larger drop-weight quantities of ink comprising:a substrate having a first portion that is thicker than a second portion; a thin-film layer connected to the substrate, the thin-film layer having a plurality of ink-energizing elements and defining a plurality of ink-supply conduits; an orifice layer connected to the to the thin-film layer and having different thicknesses corresponding to the first and second portion, the orifice layer defining a plurality of firing chambers, each said chamber opening through a respective aperture to expose at least one of said elements, each said chamber being in fluid communication with its respective said conduits, whereby each said chamber located in the first portion produces a different-sized drop-weight quantity of ink when its respective said element is energized than each said chamber located in the second portion.