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Date: | Tue, 1 Aug 2006 09:57:17 -0400 |
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170 Tg FR4
Kerry McMullen
Principal New Product Mfg. Engineer
LTX Corporation
50 Rosemont Road
Westwood, MA 02090-2306
(T) 781-467-5468
Franklin D Asbell <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
08/01/2006 09:52 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
Franklin D Asbell <[log in to unmask]>
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Re: [TN] Barrel to Laminate Adhesion loss
Could be a few causes, at what stage are you seeing this?
1 - As Received condition?
2 - After Thermal Stress?
3 - After Assembly?
Some common causes could be;
1 - Poor drilling (resulting in excessive resin smear or damaged hole
wall)
2 - Poor resin smear removal
3 - Poor pre-electroless copper cleaning-prep
4 - Poor electroless copper plating
5 - Material type (are you using some exotic material)
Would you provide more info.
Franklin
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Kerry McMullen
Sent: Tuesday, August 01, 2006 8:46 AM
To: [log in to unmask]
Subject: [TN] Barrel to Laminate Adhesion loss
Esteemed Tech-net,
What are the causes of Barrel to Laminate Adhesion loss?
TIA,
Kerry
Kerry McMullen
Principal New Product Mfg. Engineer
LTX Corporation
50 Rosemont Road
Westwood, MA 02090-2306
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