Wow,
did they forget the electroless Cu or are they just awful at hole prep.
The picture is great, nice rings, lots of potential causes, some mentioned
the hole plating, yeah baby.
It's an easy sort and you don't want they repaired.
Good Luck
Chuck Brummer
3M Manufacturing Engineer
8357 Canoga Ave.
Canoga Park, CA 91304-2605
(818) 734-4930
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