Purity is 4N, Sputtering Targets Shape can be Discs, Rectangle, Plates, Sheets, Tube, Foils, Rods, Taper, Ring. ... %Ultrasonic c-scan on bond integritySputtering Targets Shape and Size: Discs, Rectangle, Step, Plates, Sheets, Tube, Foils, Rods, Taper, ... Erbium (Er), Europium (Eu), Gadolinium (Gd), Germanium (Ge), Gold (Au), Graphite, Carbon, (C), Hafnium (Hf), Holmium (Ho), Iridium (Ir), Indium (In), ...