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Molybdenum is a chemical element with symbol Mo and atomic number 42. Molybdenum does not occur naturally as a free metal on Earth; it is found only in various oxidation states in minerals.
M 0307 (OTTO) Molybdenum sputtering target, diam. x thickness 50.8 mm x 3.125 mm, 99.95% - used in electronic and semiconductor application.