PCB delamination Evaluation

Fellow TechNetters,

   Are there any case studies out there that may apply to the following request.

   Can varying degrees of delamination be identified with CSAM and correlated with x-ray imaging and followed up with
destructive cross section analysis.   Is it possible to see the above stated artifact on a PCBA with PBGA package.

   Given:  The suspected delamination induced by excessive rework, Thermal Excursion and/or too high Assembly Process Profile.

Victor,

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