Solar Wafer:

Mono crystalline wafers

Diameter: up to 165mm
Diameter Tolerance. +/-0.5mm
Form: round or pseudo square
Dimensional Tolerance for p.s. +/- 0.5mm or according to request
Thickness: down to 180 micron depending on diameter, typical 300/330micron
Centre Thickness Tolerance: +/-30 micron
TTV: <30micron depending on size
Bow: <40micron depending on size

Type: p-type, Boron doped
Resistivity: on request
Orientation: <100> +/-3°
Life Time > 12 microsec
Crystal quality: dislocation free
C-content < 5x10E16 atoms/cm3
O-content < 1x10E18 atoms/cm3