This picture is a clear portrayal of the blacktopping material spilling over into the pin one indicator on this IC. This is the easiest way to detect counterfeits. It is nearly impossible for the counterfeiters to keep the indents clean and uniform after sanding down the parts and painting over the old surface.
Robb Hammond is the President of AERI and the chair of the Aerospace Industry’s Counterfeit Electronic Components Mitigation Standard for independent distributors, AS6081, which has become one of the industry’s most respected documents, as well as being adopted by the Department of Defense. Robb is one of the foremost thought leaders in the industry on counterfeit detection and speaks regularly at conferences around the globe.