Liquid-drop discharge device
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United States of America Patent
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Sep 3, 2002
Grant Date -
N/A
app pub date -
Oct 10, 2000
filing date -
Oct 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A liquid-drop discharge device is provided including a float cell provided with a valve and communicating to a liquid storage tank, a liquid discharge mechanism for discharging liquid within the float cell, and a reaction cell provided with a space into which fluid is discharged from the liquid discharge mechanism for collecting the discharged fluid. Air is supplied to the reaction cell for collecting liquid or minute particles, and an internal pressure P1 of the liquid storage tank or the float cell and an internal pressure P3 of the reaction cell are set such that a relationship of P1=P3, in which the pressures are identical to atmospheric pressure, or P1>P3, to supply stronger air, is satisfied.
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