What is meant by discontinuity? Breaks in the copper? Voids where the
fiberglass does not adhere to the resin? If the latter, I have some pictures
that
show that adhesion failure quite well. Sent them to Steve Gregory some time
ago, they were posted on his web pix gallery for a while.
I'd be checking the PWB manuf. process to find the cause. Could be in the
laminate manuf., especially if the adhesion promoter bath is not correct.
Bill Kenyon
Global Centre Consulting
3336 Birmingham Drive
Fort Collins, CO 80526
Tel: 970.207.9586 Cell: 970.980.6373
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