Printhead chip having longitudinal ink supply channels
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United States of America Patent
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-
Oct 28, 2008
Grant Date -
Aug 4, 2005
app pub date -
Apr 4, 2005
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pagewidth inkjet printhead is provided. The printhead comprises: (a) a plurality of nozzles formed on a frontside of a substrate, each nozzle having a respective nozzle inlet; and (b) a plurality of ink supply channels. Each ink supply channel is configured for supplying ink from a backside of the substrate to a corresponding group of nozzle inlets. Further, each ink supply channel is dimensioned for receiving ink from one or more outlets in a molded ink manifold. Relatively wide ink supply channels allow the printhead to be directly bonded to a molded ink manifold, facilitating alignment and avoiding leaks.
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