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| Date: | Tue, 21 Jun 2011 14:15:43 -0400 |
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I agree - TTM Santa Clara performs well with fused SnPb as well as selective plating with NI.
You may also want to push ENIG as the likely cause for the prohibition is the issues with embrittlement. Discuss the IG process with your customer which will demonstrate gold levels far below the volumes needed to effect this condition. I have found cold restrictions are not logically implemented in cases like this.
Jeffrey Bush
BAE Systems Incorporated
IS&R - Space Products and Systems
P.O. Box 868, MER24-116A
Nashua, NH 03061-0868
Office +1 603.885.8137
Mobile +1 603.318.8056
Fax +1 603.885.5258
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Marsico, James - ES
Sent: Tuesday, June 21, 2011 2:00 PM
To: [log in to unmask]
Subject: [TN] HASL is becomming a Hassle...
Once again, we have a heritage space job that our customer prohibits HASL, because of the extra thermal excursion. They also prohibit ENIG, reasons unknown. We're having a hard time finding a PWB house that does plated and fused Sn60, space qualified. Any recommendations?
Jim Marsico
ITT Corporation
1500 New Horizons Blvd.
North Amityville, NY 11701
631-630-5079
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