Silicon wafers

Silicon wafers

We offer solar grade silicon wafers in quantity 200 000pcs per month.

Basic parameters of solar grade silicon wafers

Type/Dopant

P/Boron or N/Phosphorus

Shape

Round, pseudosquare, full square

Square size

103×103 mm or 125×125 mm or 156×156 mm

Diagonal

125 mm, 135 mm, 150 mm, 165 mm, 195 mm, 200 mm, 200 mm, 205 mm

Orientation

(100) ­±3o

Resistivity

0,5-3,0 Ohm*cm; 3,0-6,0 Ohm*cm or per specification of customer

Thickness

180±20μm , 200±20μm

Surface

After cutting and cleaning

Oxygen content

<10*1017 at/cm3

Carbon content

<5*1016 at/cm3

RRV

<12%

Life time

>10 μsec

Dislocation density

<100cm-2

 

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