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August 2007

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Subject:
From:
John Burke <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, John Burke <[log in to unmask]>
Date:
Fri, 3 Aug 2007 09:32:27 -0700
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Not sure but you might run into issues if you were to "fill the gap" here
ate the TCE numbers in ppm per deg C

John

Thermal Expansion Coefficient, ppm               

Alpha 1 (below Tg)                               76
Alpha 2  (above Tg)                             170

 
 
John Burke
 
(408) 515 4992

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Louis, Edwin @ CSE
Sent: Friday, August 03, 2007 5:32 AM
To: [log in to unmask]
Subject: [TN] Conformal Coating Under Micro-BGAs

Does anyone have data on the physical effects of Arathane 5750 conformal
coating under micro-BGAs under thermal cycling conditions or in avionics
use?


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