A nozzle arrangement is, provided for an inkjet printhead. The nozzle arrangement includes a wafer substrate assembly defining an ink inlet channel. A nozzle chamber structure is mounted to the wafer substrate assembly and defines a nozzle chamber in fluid communication with the ink inlet channel. The...http://www.google.de/patents/US7465026?utm_source=gb-gplus-sharePatent US7465026 - Nozzle arrangement with thermally operated ink ejection piston
