A fluid ejection device with a firing chamber from which fluid is ejected, a heating element that heats fluid in the firing chamber and, drive circuitry for the heating element having a field effect transistor (FET). At least part of the firing chamber overlaps the FET when viewed in a direction parallel...http://www.google.de/patents/US7992968?utm_source=gb-gplus-sharePatent US7992968 - Fluid ejection device with overlapping firing chamber and drive FET
