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March 2012

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Subject:
From:
"Post, Scott E" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Post, Scott E
Date:
Tue, 6 Mar 2012 15:30:59 +0000
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I'm putting together some internal training materials on ANOVA, regression, and DOE and I'm making up an example scenario along with some fake data for the students to work through.  Can someone send me a picture of a small solder ball (maybe a mid-chip solder ball from a resistor) that got loose and lodged between a pair of QFP/SOIC/BGA leads causing a short?  I have plenty of pictures of mid-chip solder balls from back when we were using rectangular paste apertures, but I don't have a picture of one getting loose causing a short.

Thanks,

Scott Post
P.O.U. 0000-001E-0CTC
2151 E. Lincoln Road
Kokomo, Indiana    46904-9005
765-451-2983 (Phone)
765-451-0287 (FAX)

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