Several possible reasons.  Contamination, cold solder for a start.  May also
be flux related.

Randy Bock Sr.
Quality Manager
Bryce Office Systems LLC
email  [log in to unmask]


----- Original Message -----
From: Antonio Souza <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, April 10, 2002 8:25 AM
Subject: [TN] Voids on BGA


> Does anybody know the main causes for Voids on BGA solder joints?
>
> Thanks
>
> Antonio
> Brazil
>
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