We recently sent out a design that is in the Alpha stage. We received an
e-mail back from the assembly house and they had complained that we called
out for a hole that had a finished diameter 118 mils with a clearance
opening of 126 mils. They are now getting shorts in the board, there
response was "That for a finished 118 mil hole we drill a 124 mil hole so
there is most certainly going to be a short."  I was under the understanding
that the board manufacture knows that if he is going to need to drill a hole
larger to meet the finished requirements they automatically increases the
clearance to compensate for the drill hole needed. Am I wrong?

Regards,

Ted Tontis CID
Engage Networks Inc.
1320 N. Dr. Martin Luther King Drive
River Level
Milwaukee, WI 53212
PH 414-918-4267
FX 414-273-7601




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