Printhead having relatively dimensioned ejection ports and arms
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 4, 2011
Grant Date -
May 26, 2011
app pub date -
Feb 8, 2011
filing date -
Jul 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
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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