"NOTE: The information in this e-mail is confidential and may be legally privileged. If you are not the intended recipient please notify the sender immediately and then delete  this  e-mail. You must not read, copy, use or disseminate this e-mail or any  information in it .  Although this e-mail and any attachments are believed to be free of any virus or other defects which might affect any computer or IT system into which they are received, no responsibility is accepted by Laporte plc or any of its associated companies for any loss or damage arising in any way from the receipt or use thereof. Any opinions expressed in this e-mail or any attachments are those of the individual sender and not necessarily the Company."
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Julie,

You would want to  check the drilling feeds and speeds, especially the up
feed. In addition, check quality the laminate material such as improper
cure, poor resin wet out of the fibers and the glass style in general. Also
inquire about the stack heights in the drill stack.

Good luck,

Mike Carano

 -----Original Message-----
From:   Julie Dixon [mailto:[log in to unmask]]
Sent:   Wednesday, November 29, 2000 10:17 AM
To:     [log in to unmask]
Subject:        [TN] drilling problems

Dear Net,

We've begun seeing glass fibers protuding into the holes on FR4 panels
recently. I'm into plating not drilling, but of course, it murders my
product. Can some one fill me in on the basics? Where should we begin
looking.

Thanks,

Julie

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