Liquid discharge head
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United States of America Patent
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Jan 10, 2017
Grant Date -
Oct 6, 2016
app pub date -
Mar 2, 2016
filing date -
Mar 30, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A liquid discharge head including a substrate having a plurality of energy-generating elements which generates energy used to discharge a liquid, and a supply port which is a through-hole for supplying the liquid to the energy-generating elements and which extends along an arrangement direction of the plurality of the energy-generating elements; and a discharge port forming member having a plurality of discharge ports for discharging the liquid and a pair of beam-shaped projections which are parallel to each other, which project toward the substrate, and which are formed along the arrangement direction at positions opposing to the supply port, wherein an interval of the pair of beam-shaped projections is larger than a length of the pair of beam-shaped projections in a direction orthogonal to the arrangement direction of the pair of beam-shaped projections.
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