Patent ID: 7841697
Filing Date: 2010-11-30
Classification: B41J

Abstract:
1. A printhead comprising a plurality of inkjet nozzle assemblies, each nozzle assembly comprising: a nozzle chamber formed on a substrate, said nozzle chamber comprising a roof spaced apart from said substrate and sidewalls extending between said roof and said substrate, said nozzle chamber having an ink ejection opening defined in said roof, a first ink inlet defined in one of said sidewalls, and a second ink inlet defined in a floor of the nozzle chamber, each ink inlet being in fluid communication with a common ink reservoir; and an actuator for ejection of ink through said ink ejection opening, wherein said nozzle chambers are arranged in rows, each row of nozzle chambers having an associated ink conduit extending longitudinally adjacent said row, said ink conduit being defined between said nozzle plate and said substrate.