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| Date: | Thu, 6 Jun 1996 07:54:24 -0600 |
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We are 2nd stage drilling .220" to .250" holes at NC rout and experiencing
.020" to .030" haloing/delamination. The 2nd drill is in areas of bare
laminate (no metal pad or ground plane). Does anyone have suggestions to
prevent this? Thanks for any input.
Lyle Anderson
Electrostar-Utah
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