Printhead having relatively dimensioned ejection ports and arms
First Claim
Patent Images
1. A printhead comprising:
- chambers for fluid;
ejection ports defined in the chambers; and
ejection arms positioned in the chambers, each arm having a displacement area which is displaced against fluid in the respective chamber to eject the fluid from the respective ejection port, each displacement area being greater than half an area of the respective ejection port and less than twice the area of that ejection port.
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Abstract
A printhead is provided having chambers for fluid, ejection ports defined in the chambers, and ejection arms positioned in the chambers, each arm having a displacement area which is displaced against fluid in the respective chamber to eject the fluid from the respective ejection port. Each displacement area is greater than half an area of the respective ejection port and less than twice the area of that ejection port.
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Citations
6 Claims
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1. A printhead comprising:
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chambers for fluid; ejection ports defined in the chambers; and ejection arms positioned in the chambers, each arm having a displacement area which is displaced against fluid in the respective chamber to eject the fluid from the respective ejection port, each displacement area being greater than half an area of the respective ejection port and less than twice the area of that ejection port. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification