Purity: Ta 99.95% Fine Grain Size: 40um~50um Better Sputtering Ratio Surly of quality assurance 14" dia.Tantalum Sputtering Target Sputtering Target are wildly used in decorative coating industry,construction glass or automobile glass industry,in plane display industry,optical glass industry and optical date storage industry,etc. Purity:Ta 99.95% min Pressing Method:Smelting Specification: (Fine ...