silicon targets 5N Type: Both mono crystal Si target and poly crystal Si target with boron or phosphorus doped is available. Purity: Si:99.999% min. and 99.9999% min. Resistivity: 0.005-0.02ohm·cm 0.02ohm·cm -100 ohm·cm Sizes: Length:320mm max. Width:140mm max. Thickness: 3mm-12mm Diameter: 280mm max. Shape: all shapes are available only if we have the drawing.