Product Details  Mutli-crystalline 156 mm X 156 mm with good price, specifications and availablity  156 x 156 multi-crystalline wafer $3.25 per wafer.  15.5% efficiency GUARANTEED  QUALITY also GUARANTEED or parts replaced  1,000,000 wafer per month  Partial Specifications (write direct email to receive complete spec sheet) Type: P.Size: 156 mm x 156 mm +/- 0.5 mm.Thickness: 200 microns +/- 20 microns.Resistivity: 0.5 ohm-cm to 3.0 ohm-cm. 2 micro sec.Wafer Bow: TTV: Saw Marks: Oxygen impurities: Carbon impurities: Wafer Surface: As cut and cleaned with no visible stains with naked eye.If interested write for details and include direct mail address. Bricking specifications also available.