| http://www.w3.org/ns/prov#value | - Since the length of the microscopic protrusion on the surface of the cemented carbide is preferably in the range of 2 to 10 ??m, the minimum value of the coating thickness, i.e. 15 ??m is determined in anticipation of a margin that the longest protrusion is completely covered and a mirror state is attained in the subsequent polishing step.
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