Non-conductive fluid droplet characterizing apparatus and method
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United States of America Patent
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Jul 17, 2012
Grant Date -
Feb 18, 2010
app pub date -
Oct 21, 2009
filing date -
Oct 4, 2004
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Abstract
A fluid droplet characterizing apparatus and method includes a pressurized source of a non-conductive fluid in fluid communication with a nozzle channel and a characterization electrode. The pressurized source is operable to form a jet of the non-conductive fluid through the nozzle channel. At least one portion of the characterization electrode is electrically conductive and contactable with first portion and thereafter a second portion of the non-conductive fluid jet. The at least one electrically conductive portion of the characterization electrode is operable to transfer a first electrical charge to a region of the first portion of the non-conductive fluid jet and transfer a second electrical charge to a region of the second portion of the non-conductive fluid jet.
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