The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 2012
Filed:
Oct. 17, 2006
Davide Ciampini, Arnad, IT;
Fulvio Cominetti, Arnad, IT;
Luigina Gino, Arnad, IT;
Pier Luigi Soriani, Arnad, IT;
Davide Ciampini, Arnad, IT;
Fulvio Cominetti, Arnad, IT;
Luigina Gino, Arnad, IT;
Pier Luigi Soriani, Arnad, IT;
Telecom Italia S.p.A., Milan, IT;
Abstract
The present invention relates to an ink-jet print head comprising a substrate, a structural or barrier layer defining ink passage ways, and, optionally, a nozzle plate, wherein a layer of polymeric material comprising carbon, hydrogen, and nitrogen atoms improves the adhesion of the layer defining ink passage ways with the substrate and/or the nozzle plate. The present invention also relates to a process of manufacturing an inkjet print head including the step of forming the layer of polymeric material comprising carbon, hydrogen, and nitrogen atoms with a plasma treatment.