Hello everyone,
We have one SM chip on our boards which is put on by a contractor.  Lately,
we are seeing excessive flux residues on and around the pads.  The residues
have  look of frosted crystals.  The flux used is a no-clean flux.

Is it acceptable for these residues to be there?  Will it create any problem
now or later?  What is acceptability standard?

Thanks for your help,
Paresh Patel
Oneac Corp.
(847)816-6000 x-704.

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