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Making the Invisible Visible: Automated Defect Detection Improves Sapphire Yields · EMSNow
By Serena Brischetto, SEMI Sapphire is a precious gemstone, consisting of aluminum oxide (α-Al2O3) with occasional traces of other elements such as iron, titanium, chromium, vanadium or magnesium. While sapphire stones found in nature mostly go to jewelry applications, the lab-grown sapphire – produced in a scale of up to several hundred tons per year …