Patent ID: 6054011
Filing Date: 2000-04-25
Classification: B41J,Y10T

Abstract:
A method for producing an ink-jet print head comprising:providing an orifice plate comprising a layer of oxidizable metal bonded thereto, said oxzidizable metal being selected from the group consisting of tantalum and chromium;providing an ink barrier layer comprised of an organic polymer composition; andadhering said orifice plate to said ink barrier layer using an organic adhesion promoter positioned between said layer of oxidizable metal on said orifice plate and said ink barrier layer, said organic adhesion promoter bonding said layer of oxidizable metal to said ink barrier layer in order to prevent detachment of said orifice plate from said print head, said organic adhesion promoter being selected from the group consisting of polyacrylic acid, polymethylacrylic acid, an organosilane composition, and mixtures thereof.