A nozzle arrangement for an inkjet printhead comprises a substrate defining an ink supply channel; a nozzle chamber structure mounted on the substrate, the nozzle chamber structure defining a nozzle chamber in fluid communication with the ink supply channel and a nozzle rim defining an ink ejection port...http://www.google.de/patents/US7735968?utm_source=gb-gplus-sharePatent US7735968 - Inkjet printhead nozzle arrangement with actuator arm slot protection barrier
