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February 2010

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Subject:
Wattado?
From:
Hernefjord Ingemar <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Hernefjord Ingemar <[log in to unmask]>
Date:
Tue, 2 Feb 2010 12:51:46 +0100
Content-Type:
text/plain
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text/plain (15 lines) 
 
Hi Netters, 
about sBGA soldering. Some aren't accepted when Xray'd, see photos that will (hopefully) come up. Ain't all as we want. See Xray pics.
A number of packages (560) have their solder globes placed in a 'cup', like in the SEM photo. Have anyone seen these? Can these have a negativ impact on the soldering process.
/Inge
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