Darrell:

We are using OSP on .200" thick with .022" & .024" holes for compliant connectors.

Darrel Therriault wrote:

> 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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