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What specialized, ultra-sterile environment is required to manufacture microchips without dust interference?

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Correct answer: Cleanroom

Microchip fabrication plants utilize advanced cleanrooms where the air is filtered to be thousands of times cleaner than a hospital operating room. A single speck of dust is much larger than modern transistors and can completely ruin an entire silicon wafer. Photo: Stan Zurek, Wikimedia Commons, CC BY-SA 3.0.

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Source: Wikipedia (CC BY-SA)

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