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February 2010

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Subject:
From:
John Burke <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, John Burke <[log in to unmask]>
Date:
Tue, 2 Feb 2010 10:07:01 -0800
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text/plain (44 lines)
Inge - have those parts been re-balled?? 


John Burke
(408) 515 4992


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Hernefjord Ingemar
Sent: Tuesday, February 02, 2010 3:52 AM
To: [log in to unmask]
Subject: [TN] Wattado?

 
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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