I do have a question and would like a response offline please. I have 2000
vias on the bottomside of a wave soldered board and vias (not all) will be
used by test. Problem is operators spend way too long inspecting to see the
vias are filled by the wave. I want to fill the vias with conductive epoxy,
Methode or Dupont material. I hear it is done but can find none of our
board houses who have ever done it. Is this a fantasy? A good theory no one
is doing? Why not? I got a response that it is "very very expensive" what
does that mean? $1 a board more $10 a board more? And yes I have searched
the archives. This is a high volume job I may be able to eliminate 3 shifts
worth of inspection vs. whatever the increased board cost is.
Thank you. I promise to post results to Steve's website complete with
pictures whether it works or not.
Dave Chapman
Manufacturing Engineer
Circuit Service Inc.
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