Patent ID: 6592964
Filing Date: 2003-07-15
Classification: B41J,Y10T

Abstract:
An assembly in the manufacture of a nozzle plate of a micro-injecting device, comprising:a substrate; a protective film formed on the substrate; a vanadium film formed by chemical vapor deposition on the protective film; a nickel film formed by chemical vapor deposition on the vanadium film; and a nozzle plate of nickel of a thickness in a range of from approximately 15 to 25 &mgr;m electroformed on the nickel film, the nozzle plate including an inner surface of a roughness in a range of from approximately 1.0 to 1.5 &mgr;m and the nozzle plate including an outer surface of a roughness in a range of from 0.008 to 0.016 &mgr;m.