Request InfoOcean Optics - Part of Ocean InsightNanoCalc, a thin-film reflectometry system unveiled by Ocean Optics Inc., can measure three layers 10 nm to 250 µm thick in less than 1 s. It is suitable for online thickness measurement of silicon-nitride and photoresist films; of rough metal, ceramic and plastic substrates; and of coatings in the semiconductor, automotive, packaging and biotechnology industries. 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