Process Analytical Technology (PAT) is essentially a "smart eyes" system for manufacturing. Instead of waiting until a product is finished to check if it’s good, PAT allows for real-time monitoring and control during the actual making of the product.
Think of it like a GPS for production. Traditional manufacturing is like taking a photo at the end of a trip to see if you arrived at the right place. PAT is the live map that tells you if you’re veering off track while you’re driving, allowing you to make instant corrections. It uses specialized sensors and software to measure "critical quality attributes"—things like chemical composition, moisture, or particle size—right inside the machines.
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