A process for producing an ink jet head having ink discharging outlets, a substrate with energy generating elements that discharge ink, ink pathways aligned with the energy generating elements and communicated with the ink discharging outlets, and a liquid chamber for storing and supplying ink into the...http://www.google.de/patents/US5916452?utm_source=gb-gplus-sharePatent US5916452 - Process for the production of an ink jet head
