During visual inspections, inspectors subject products to acetone solvent, mechanical scraping, and microscope
examination using up to 200x magnification.

Include die verification, die inspection is performed to ensure proper markings and identifications, wire bond quality.
FindIC testing laboratory maintains a large historical database of die images which are used for reference.

X-ray inspections to ensure lots have consistent internal construction.

The use of x-ray fluorescence allows inspectors to verify the elemental composition of inspected items.

Temperature, Humidity, Thermal Shock, Salt spray test, Burn-in test,
Vibration test, Mechanical stress testing etc.