Inkjet printhead having nozzle arrangements with ink spreading prevention rims
First Claim
Patent Images
1. An inkjet printhead having a plurality of nozzle arrangements each comprising:
- walls defining an ink chamber having an ink supply channel and an ink ejection port with an ink spreading prevention rim; and
a thermal actuator mechanism configured to operatively eject ink from the chamber via the ejection port, wherein the ink spreading prevention rim defines a pit for preventing ink from flowing across a surface of the ink jet printhead and affecting operation of said printhead.
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Abstract
Provided is an inkjet printhead having a plurality of nozzle arrangements. Each nozzle arrangement includes walls defining an ink chamber. The chamber includes an ink supply channel and an ink ejection port with an ink spreading prevention rim. Each nozzle arrangement also includes a thermal actuator mechanism configured to operatively eject ink from the chamber via the ejection port. The ink spreading prevention rim defines a pit for preventing ink from flowing across a surface of the ink jet printhead and affecting operation of said printhead.
26 Citations
7 Claims
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1. An inkjet printhead having a plurality of nozzle arrangements each comprising:
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walls defining an ink chamber having an ink supply channel and an ink ejection port with an ink spreading prevention rim; and a thermal actuator mechanism configured to operatively eject ink from the chamber via the ejection port, wherein the ink spreading prevention rim defines a pit for preventing ink from flowing across a surface of the ink jet printhead and affecting operation of said printhead. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification