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July 2000

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Subject:
From:
Susan James <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 6 Jul 2000 13:56:33 -0500
Content-Type:
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Hi Bill,

For a designer's perspective, try contacting Doug Bynum at Laser Alignment
Inc.  Email [log in to unmask]  Phone 616-949-7430 x376.  I met him
during the CID exam last month and remember him saying he specifies CEM3
exclusively.  Hope this helps.

Sue James
Taylor Company

   To: All

   I am looking for someone who has done the analysis on using FR4 vs CEM3
   to
   get some advice.... I was reading about the CEM3 material and it said
   that
   it can be used in Multi-layer applications...? What are the advantages
   of
   going to CEM3 over FR4...? Can we get the same performance out of CEM3
   that
   we would get from FR4 but for less money? What are the problems I need
   to be
   aware of in using CEM3? Do manufactures prefer one material over the
   other
   for ease of manufacture? Any help with this would be appreciated...
   Thanks
   in advance!


   Bill Brooks
   Senior PCB Designer - [log in to unmask] <mailto:[log in to unmask]>
   Co-Director / Education Officer / Webmaster
   for the San Diego Chapter of the IPC Designers Council
   http://www.ipc.org/SanDiego/index.html
   <http://www.ipc.org/SanDiego/index.html>

   Zoneworx, Inc.
   40925 County Center Dr., Suite 200
   Temecula, CA 92591-6037

   Ph: 909.296.1226 (x1037)
   Fx: 909.296.1227
   Visit us on the Web: zoneworx.com <http://www.zoneworx.com>

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