They are either using big monoclonals and other things and capsulation.    From Wordnik.com. Reference

Some have taken inspection to a higher level and have invested in de-capsulation, X-Ray and advanced microscopy equipment to analyze potential counterfeit parts.    From Wordnik.com.  [Purchasing - Top Stories] Reference

Leading independent distributors are investing in X-ray, de-capsulation and advanced microscopy equipment in an effort to screen poor quality, substandard and counterfeit parts.    From Wordnik.com.  [Purchasing - Top Stories] Reference