Invention Grant
US07862151B2 Printhead with droplet redirecting nozzle guard 失效
打印头与液滴重定向喷嘴护罩

Printhead with droplet redirecting nozzle guard
Abstract:
A printhead is provided having an ejection surface having a plurality of nozzles for ejecting droplets and a nozzle guard positioned over the ejection surface and having a plurality of channels therethrough aligned with the nozzles. The channels have hydrophobic sidewalls and are radially flared with respect to the ink ejection surface such that droplets which are ejected from the nozzles with misdirection rebound off the channel sidewalls to pass through the channels.
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