DESO offers 4 inch Ge wafers for Solar Cells.
4″ Ge Wafers for Solar Cells Specificiations
Parameter |
Value |
Units |
Diameter (inches) |
4 |
inches |
Diameter (mm) |
100 +/- 0.25 |
mm |
Doping substance |
Ge-Ga |
|
Orientation |
(100) 9 degrees off toward <111> +/- 0.5 |
|
Off-orientation tilt angle |
N/A |
|
Primary Flat Orientation |
N/A |
|
Primary Flat Length |
32 +/- 1 |
mm |
Secondary Flat Orientation |
N/A |
|
cc |
(0.26-2.24)E18 |
/c.c |
Resistivity |
(0.74=2.81)E-2 |
ohm*cm |
Electron Mobility |
382-865 |
cm^2/v.s. |
EPD |
<300 |
/cm^2 |
Laser Mark |
N/A |
|
Thickness |
175 +/- 10 |
|
TTV |
<15 |
um |
TIR |
N/A |
|
BOW |
<10 |
um |
Warp |
<10 |
um |
Front face |
Polished |
|
Back face |
Ground |
|
For quotations and questions please contact: Admin@WafersUnlimited.com