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Wafer Fab Testing

Verifying and testing the dies on the wafer after the manufacturing.
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Description

Wafer fab testing is verifying and testing the dies on the wafer after the manufacturing. The process involves several steps—more for safety critical applications such as automotive. Through the process the die are tested and sorted based on the quality and if they pass certain tests. The wafer fab testing step happens before the dies are cut into chips and packaged.

Metrology and inspection are both wafer fab tests. Parametric testing is also done on the wafer level.


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