Technetters/Fabricators,

My supplier is having a problem with yield on our backplane (~.200",
SMOBC/HASL).  It seems to be centering around
hole plugging from HASL.  FHS are .024", .028", .032" for both pressfit and
pth connectors.  Is this a typical problem for
these requirements??

If so, what are other finishes to consider to achieve higher yields but not
introduce large cost adders??

Comments and suggestions appreciated.

Tks........DT

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