碲化钼 MoTe2 99.999% 圆片靶, 矩形靶,圆柱靶,台阶靶,按图纸加工碲化铌 NbTe2 99.999% 圆片靶, 矩形靶,圆柱靶,台阶靶,按图纸加工碲化钽 TaTe2 99.999% 圆片靶, 矩形靶,圆柱靶,台阶靶,按图纸加工碲化钨 WTe2 99.999% 圆片靶, 矩形靶,圆柱靶,台阶靶,按图纸加工