• Single crystal               Si,   
• Conductivity:               P type ( B doped)
• Resistivity:                1-10 ohm-cm   (If you would like to measure the resistivity accurately, 
                                       please order our Portable 4 Probe Resistivity Testing Instrument.) 
• Size:                            4" diameter x 0.525 mm
• Orientation:               (111) miscut  0+/-0.5 degree,
• Polish:                          One side polished
• Surface roughness, Ra:       < 5A (RMS) 

Optional:  you may need tool below to handle the wafer ( click picture to order )