How is x-ray inspection used to help identify counterfeit components?

Counterfeit lots often contain a mixture of components that are different internally but appear identical externally. X-ray inspection is a quick and cost-effective method for identifying nonconforming or inconsistent internal construction features within a group of components. Differences in die size, bonding configuration, and leadframe design are easily visible in an x-ray image.  Click here for a x-ray mini case study showing different  internal substrate patterns shown in a x-ray inspection.

Also, see the case studies page for more examples.