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September 2008

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Subject:
From:
fabrice pires <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, fabrice pires <[log in to unmask]>
Date:
Tue, 9 Sep 2008 16:50:43 +0200
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Hi Techneters,

I would like your advices on the best way to calibrate XRay pictures in 
aim to measure precisely voids inside BGA balls, after assembly.
Everyone should agree on the fact slight setup variation on XR equipment 
could change significantly the void size results.

Do you have any trick to improve precision measures whatever the XR 
equipment?
Does the use of any reference/calibration on boards exists in that aim?

Fabrice

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