Ed Noble writes:

"..     consider, at least, changing to a SAMPLING PLAN in your evolution to
addressing board quality.  that way, you can still 'keep an eye on' the
copper plating concern.  from 'inspecting' to 'dock to stock' is quite the
change."


Hi Ed!

I'd tend to  disagree. Consider that, while you have the opportunity
to do a full Incoming/first article, you're getting the most complete
and detailed information and feedback in the form of data, to make
your dock to stock decision on.

Going to sampling/skip lot as an interim state seems to be  more
of a period of weaning, rather than a statistically valid step.
I think it's a "warm and fuzzy feeling" period.

If you're concerned about a vendor, inspect the heck out of their
stuff, and get the issues worked. Once they are, and they
demonstrated their ability to sustain their process, make the jump
to ship to stock while you still have the BES, and most complete
data you have regarding their incoming quality.

Restpectfully,
John

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