Liquid discharge apparatus and manufacturing method thereof
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United States of America Patent
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Jun 14, 2016
Grant Date -
Dec 3, 2015
app pub date -
Jan 28, 2014
filing date -
Feb 1, 2013
priority date (Note) -
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Abstract
To reduce a liquid discharge amount by vibrating meniscuses at high acceleration with displacement of partitions, a plurality of partitions, each formed of a piezoelectric material, are provided to thereby form a plurality of pressure chambers. Each of electrode pairs for shear-deforming each partition is arranged on both sides of a corresponding one of the partitions. A nozzle plate having nozzles each connected to one of the pressure chambers is arranged on the side of a first end of the pressure chambers. Each pressure chamber is formed such that the width of the pressure chamber becomes long as it approaches, from the first end, a second end on the opposite side.
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