Patent ID: 6130688
Filing Date: 2000-10-10
Classification: B41J

Abstract:
A printhead for use in an ink delivery system comprising:a substrate comprising at least one ink ejector thereon; andan orifice plate member comprised of at least one organic polymer composition positioned over and above said substrate, said orifice plate member further comprising:a top surface;a bottom surface;at least one recess in said orifice plate member beginning at said top surface thereof and terminating at a position within said orifice plate member between said top surface and said bottom surface thereof, said recess having a depth of about 1 .mu.m and comprising an upper end, a lower end, and a side wall therebetween, said upper end comprising a first opening therein and said lower end comprising a bottom wall therein, said bottom wall comprising a second opening therethrough, said first opening being larger than said second opening, said bottom wall being oriented at an obtuse angle of about