IR comparison to known good assembly.

At 05:56 PM 3/9/2009, Chris Mahanna wrote:
>Jim,
>I would suggest, and we offer a 3-way approach:
>acoustics
>elevated T/H
>microsections
>
>Chris
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Jim West
>Sent: Monday, March 09, 2009 7:29 PM
>To: [log in to unmask]
>Subject: [TN] Detection of potential cracked capacitors and resistors
>
>Looking for a quick/easy way (if this is even possible), to verify if
>ceramic capacitors and/or resistors placed on a PCA are cracked.
>
>Can an X-ray be used to check for cracked capacitors and resistors?
>
>We had an issue with hand soldering of other components that compromised
>the PCA and could possibly lead to cracked components.  If X-ray cannot
>detect the cracks, are they other methods of inspecting for cracked
>components that you guys can think of?  Besides electrical test (PCA's will
>not fit in electrical test fixture now due to hand mounted components).
>
>Thanks,
>Jim
>
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