DETERMINISTIC FEEDBACK BLENDER
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United States of America Patent
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Issued Date -
Oct 13, 2016
app pub date -
Jun 17, 2016
filing date -
Jun 17, 2016
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Abstract
Methods and systems for high precision, continuous blending of mixtures, and particularly mixtures having at least two distinct chemical components, are disclosed. More particularly, the disclosed methods and systems provide high precision, continuous blending of buffered oxide etch mixtures containing water, ammonium fluoride, and hydrofluoric acid.
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