156 x156 mm multi-crystalline Wafer

Contamination: no dirt / oil stains, remains of soap / glue no fingerprints etc.

Wafer surface: as cut and cleaned

Cracks :  None

Edge defects: Depthd 0.3 mm and Length d 0.5 mm  d 2 perWafer

Saw marks: d20 ?m allowed

Bow: d50 ?m

TTV: d40 ?m

Wafer thickness: 200 ?m ? 20 ?m

Wafer square side: 156x 156 ? 0.5 mm

Carbon content:  < 4 x10¹⁷cm^-3

Chemical Characteristics

Conductivity: P-Type

Minority carrierlifetime:   > 2 ?s

Resistivity:  0.5 2.5 ?.cm (average 1.2 ?.cm)

Electrical Characteristics

Dopant: Boron

Crystal type: Multicrystalline

156x156 mm multi Wafer for Solar Cells
from 200,000 pc per month
Price: 5.20 USD/pc

General

156 x156 mm multi-crystalline Wafer