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Date: | Fri, 9 Mar 2007 15:21:06 -0700 |
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Hi Werner,
It all comes down to money$$$ If the solder joint reliability of a
users BGA is just fine for the use environment, few BGA suppliers would
be willing to spend the extra cost to improve reliability that doesn't
NEED improvement.
-Ryan
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Werner Engelmaier
Sent: Wednesday, March 07, 2007 11:49 AM
To: [log in to unmask]
Subject: Re: [TN] [LF] Polymer Core BGA Balls
Hi Joe,
All the data show improvements--my question is why are so few using
them.
Do you have any references of the Motorola paper at Semicon, or better
yet
the paper?
Werner
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