An inkjet printhead device includes a substrate that defines a plurality of ink passages. Drive circuitry is positioned on the substrate. An array of inkjet nozzles is arranged on the substrate. Each inkjet nozzle includes a nozzle chamber structure that defines a nozzle chamber in fluid communication...http://www.google.fr/patents/US6991318?utm_source=gb-gplus-shareBrevet US6991318 - Inkjet printhead device having an array of inkjet nozzles arranged according to a heirarchical pattern
Inkjet printhead device having an array of inkjet nozzles arranged according ...
