125 mm


SVM carries a full line of 125mm wafers. Please see below a SEMI standard specification for prime and test grade wafers. Every customer’s specification is unique and SVM can supply wafers that meet your exact specifications.

If you do not see the specification you require, please CONTACT SVM to speak with a member of our experienced and knowledgeable sales staff.

Diameter
125 +/- 0.5 mm
125 +/- 0.2 mm
Type / Dopant
P/Boron
P/Boron
Orientation
<100> +/- 1º
<100> +/- 1º
Grade
Test
Prime
Resistivity
1 - 100 Ω-cm
10 - 30 Ω-cm
Radial Resisivity Gradient
As Specified
Oxygen
As Specified
Carbon
As Specified
Metals
 < 5 x E10 atoms/cm2
 < 5 x E10 atoms/cm2
Thickness
 625 +/- 25 μm
 625 +/- 20 μm
TTV
<= 10 μm
<= 5 μm
GTIR
 
 
Bow / Warp
<= 50 μm
<= 40 μm
Site Flatness (STIR)
As Specified
Flats
1 or 2 SEMI Standard
1 or 2 SEMI Standard
Particle Count
<= 50 @ >= 0.2 μm
<= 30 @ >= 0.2 μm
Polished
Single Side Polished or Double Side Polished
Single Side Polished or Double Side Polished
Etched
Single Side Polished or Double Side Polished
Single Side Polished or Double Side Polished
* N type wafers available