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November 2003

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Subject:
Re: BGA
From:
Dave Chapman <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 7 Nov 2003 09:56:57 -0600
Content-Type:
text/plain
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text/plain (44 lines) 
What should I be doing when I have open vias under a BGA that goes over the
wave solder machine? We got some shorts last time, I have sped up the
conveyor but would like to change the boards either mask the bottom or the
top. 40 of the vias are used for Test points for ICT.
Dave C.

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