Multi-channel dispensing system
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United States of America Patent
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Issued Date -
Nov 20, 2003
app pub date -
May 27, 2003
filing date -
Feb 20, 1998
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multi-channel dispensing system particularly adapted for dispensing and aspirating precise and/or predetermined quantities of one or more fluids. The multi-channel dispensing system includes a multi-channel manifold positioned intermediate and in hydraulic communication with a positive displacement pump and a plurality of drop-on-demand valves. The pump is adapted to provide an incremental quantity or continuous flow of fluid to the drop-on-demand valves. The multi-channel dispensing system can dispense controlled and/or generally equal quantities and/or flow rates of fluid(s) through one or more channels by opening and closing one or more of the drop-on-demand valves at predetermined frequencies and/or duty cycles.
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