A liquid jet recording head having a liquid passage communicated to a liquid discharging outlet provided on a substrate surface is obtained, said passage being formed by subjecting a layer of a resin composition curable with an active energy ray to a predetermined pattern exposure with the use of said...http://www.google.com/patents/US4688053?utm_source=gb-gplus-sharePatent US4688053 - Liquid jet recording head having a layer of a resin composition curable with an active energy ray
