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Date: | Tue, 2 Feb 2010 10:07:01 -0800 |
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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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