Re: Mass Counterfeit detection solution
Inspection during manufacturing will not catch the type of counterfeiting that is being performed.
One way to counterfeit is to get any part that has gone through all of the visual inspections and testing, then rebrand the part with a different speed or commercial/industrial/military grade brand. A very simple process and can be done to any part that is integrated into any system (phone, PC, etc).
The only way to really prevent this is to incorporate information into the chip that can be read out to verify the internally stored information matches the documentation and brand on the device. This would cause all chips to have a small one time electrically programmable ROM inside that is programmed after the device has gone through all of the testing (for speed, for temp range, etc) and then program the code and blow the fuse protecting this programmable ROM from being overwritten. This technology has existed for some time but is not embedded in all ICs....maybe the time is right for this to be a standard in all chips and a defined register address where it can be read out of the chip.