An ink jet printhead is provided. The printhead comprises: a silicon substrate; a CMOS layer comprising drive and control circuitry, the CMOS layer being formed on the silicon substrate; a passivation layer covering the CMOS layer; and a plurality of nozzles mounted on the passivation layer. Each nozzle...http://www.google.fr/patents/US7631956?utm_source=gb-gplus-shareBrevet US7631956 - Ink jet printhead with glass nozzle chambers