Liquid ejection head
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United States of America Patent
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Mar 24, 2015
Grant Date -
Dec 12, 2013
app pub date -
May 17, 2013
filing date -
Jun 7, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A liquid ejection head includes ejection ports for ejecting liquid, recesses respectively accommodating the ejection ports in the insides thereof, ejection sections operating as passages directed to the respective ejection ports, and liquid channels for supplying the respective ejection sections with liquid. The ejection sections and the liquid channels are arranged in rows extending in respective directions that intersect each other, and the connection sections respectively connecting the ejection sections and the corresponding liquid channels represent an elliptic contour having a major axis and a minor axis as viewed from the corresponding one of the ejection ports, while the recesses also represent an elliptic contour having a major axis and a minor axis.
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