Tony:

We have used Fiberite, without issue, on Copper and Aluminum cores up to
0.180" thick.

Robert B. Denbo
Engineering Manager
Midwest Printed Circuit Services, Inc.
http://www.midwestpcb.com
mailto:[log in to unmask]
847.740.4120
847.740.4187 Fax
  -----Original Message-----
  From: TechNet [mailto:[log in to unmask]]On Behalf Of tony steinke
  Sent: Wednesday, April 10, 2002 4:07 PM
  To: [log in to unmask]
  Subject: [TN] core fill


  Hello Techies,
  Can anyone tell me what type of reliable core fill materials are on the
market.
  I have been looking at the Howefilm and Fiberite, but both have some
limitations. We have a .050 solid copper core to fill. And the Tg or
operating temperature must be 170C or greater.
  Thanks in advance
  Tony Steinke