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September 2006

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Wed, 13 Sep 2006 14:51:29 EDT
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40 MHz was the typical frequency used for augmenting solvent cleaning.  There
is a classic paper by Brandreth & Johnson on removal of a standardized
particle (diamond dust) published in 1978 as I recall. Will send you the exact
reference later if you are interested-- let me know.
25-28 MHz was more typically used with aqueous systems until we got into  the
more elaborate multi-frequency systems.

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