-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
Sent: Monday, July 06, 2009 3:39 PM
To: [log in to unmask]
Subject: Re: [TN] Weird solder joints
Hi Gaby - are the cross-section pictures in a etched or unetched status?
Dear all,
By cross sectioning BGA solder joints on a failed assembly, I found that
the
suspected joints are not uniform and that they contain unusual separation
areas.
I suspect mixed assembly and/or bad reflow profile.
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