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With decreasing critical size of micro-electronic fabrication imposed by ITRS today, Front Opening Unified Pod (FOUP) has been designed to transport the silicon wafers in the 300 mm semiconductor fab to decrease the particles contamination, without taking the Airborne Molecular Contamination (AMC) and moisture problems into account. Various methods of AMC decontamination methods has been introduced in past, such as purging mini-environment with nitrogen, however the efficiency of its yield improvement capacity has not been proven. An ultimate AMC decontamination method with vacuum decontamination and passivation technology shows a very good efficiency on the AMC removal mechanism, with a direct impact on the yield improvement.
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Documentation :
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See our article : Reduction of Airborne... |
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