Liquid discharge apparatus, imprint apparatus, and method
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United States of America Patent
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Dec 6, 2022
Grant Date -
Jun 6, 2019
app pub date -
Nov 29, 2018
filing date -
Dec 4, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid discharge apparatus includes: a discharge head including a discharge portion configured to discharge a liquid; a cap configured to cap the discharge portion; a suction unit configured to suck an interior of the cap through a first fluid passage communicating with the interior of the cap in a state in which the cap caps the discharge portion; an open/close unit configured to open/close a second fluid passage communicating with the interior of the cap, the open/close unit being set in an open state when a negative pressure state of the interior of the cap, which is generated by suction by the suction unit, is canceled; and a filter arranged in the second fluid passage.
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