... pure oxide, a silicon oxide, silicon dioxide and hafnium oxide, zirconium oxide, titanium dioxide, titanium dioxide, dioxide Ti, V 2O ... ,molybdenum wire Silicon, high purity silicon, high purity silicon, high purity polysilicon, silicon, high purity silicon, silicon targetHigh purity germanium ... 9%-99.9999%):Zirconium carbide, hafnium carbide, silicon carbide, boron carbide, tungsten carbide, titanium ...