Ralph

In determining your acceptance of x-outs, consider these points:

1.  The cost probably will be higher if you say "NO X-outs allowed."
2.  If you allow x-outs, and you are building surface mount assemblies, can
your pick and place equipment build the array and not place on the x-outs?
3.  IF you allow x-outs, ask the fabricator to package the arrays with x-outs
separately from those arrays with no x-outs.  This will help maintain
throughput at P/P
4.  Solder paste reflowed on x-outs (no components) make good tools to
investigate solder coverage, solderability, and for use as inspection guides
to easily see silk-screen on dense assemblies.

my two cents worth

Pat Kane
CSL

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