System, method and apparatus for maintaining separation of liquids in a controlled meniscus
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United States of America Patent
Stats
-
Mar 27, 2012
Grant Date -
Dec 25, 2008
app pub date -
Jun 19, 2007
filing date -
Jun 19, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method of forming and using a proximity head. The proximity head includes a head surface including a first zone, a second zone and an inner return zone. The first zone including a first flat surface region and multiple first discrete holes connected to a corresponding first conduit and arranged in a first row. The second zone including a second flat region and multiple second discrete holes connected to a corresponding second conduit. The inner return zone being disposed between and adjacent to the first zone and the second zone and including multiple inner return discrete hole connected to a corresponding inner return conduit and arranged in an inner return row. The first row and the inner return row are parallel. A portion of an edge of each of the inner return discrete holes is recessed into the head surface.
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