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February 2006

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Subject:
From:
John Maxwell <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, John Maxwell <[log in to unmask]>
Date:
Tue, 28 Feb 2006 08:20:08 -0800
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Bloomquist, Ken wrote:

>We are having a heck of a time inspecting some solder joints and could
>use your help.
>
>Per Class 3 a solder joint is supposed to have at least a 75% fill. We
>have a circuit board that has large ground planes and hand soldered
>connectors that are impossible to inspect for top side solder.
>
>We do not have access to an x-ray and are wondering if there are any
>clever ways to inspect these solder joints.
>
>Thanks,
>
>KennyB
>
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Ken,
I assume that these are thru hole solder joints. If they are then the
only inspection tool is x-ray. Was or could thermal relief be used
around these holes?

John

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