Patent ID: 6312615
Filing Date: 2001-11-06
Classification: B41J,G06K,G11C,H04N

Abstract:
A method of manufacture of an ink jet printing nozzle arrangement on a wafer, said arrangement including:an ink chamber having an ink ejection nozzle in one wall thereof for the ejection of ink from said ink chamber;a moveable paddle vane located within said ink chamber, said paddle vane including a concave surface in the area adjacent said ink ejection nozzle; andan actuator means adapted to move said paddle vane so as to cause ink within said ink chamber to be ejected from said ink ejection nozzle; said method comprising the steps of:forming an etched pit in said wafer; anddepositing and etching a series of layers on said wafer so as to form at least one ink jet nozzle arrangement, said layers including at least one paddle vane formation layer being deposited over portions of said etched pit resulting in the formation of said concave surface of said paddle vane.