Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 8, 2009
1Patent Application Number
114366461
Date Filed
May 19, 2006
1Patent Primary Examiner
Patent abstract
A liquid discharge head includes, on a same substrate, pressure generating chambers, nozzle apertures communicating with the pressure generating chambers through nozzle communicating pans, and a reservoir, wherein a cross-section area of the nozzle communicating part is larger, along a direction parallel to a nozzle aperture face of the substrate, than a cross-section area of the nozzle aperture, and the cross-section area of the nozzle aperture in such direction remains constant over the entire length of the nozzle aperture.
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