A method for producing an ink jet head by providing ink pathways formed from a photosensitive resin on a substrate surface and laminating a covering over said pathways comprises providing a protective layer comprising an inorganic oxide and/or an inorganic nitride on said substrate having arranged an...http://www.google.es/patents/US4609427?utm_source=gb-gplus-sharePatente US4609427 - Method for producing ink jet recording head
