Germanium wafer is an excellent semiconductor material and widely used in variety applications such as Sensor, Solar cell, Infrared optics applications, high brightness LEDs, and various semiconductor applications.
Growth
|
CZ or VGF
|
|
|
Diameter
|
100 ± 0.4
|
150 ± 0.5
|
mm
|
Thickness
|
175 ± 25
|
250 ± 25
|
µm
|
Dopant
|
Ga
|
|
|
Orientation
|
(100) 6˚ toward (111) ± 0.5
|
degree
|
|
Primary Flat Orientation
|
(100) ± 0.5
|
degree
|
|
Length
|
32.5 ± 2.5
|
57.5 ± 2.5
|
mm
|
Secondary Flat Orientation
|
None
|
|
|
Resistivity
|
0.001 - 20
|
Ω.cm
|
|
Mobility
|
(0.25 - 1.5) X 103
|
cm2/v.s
|
|
Carrier Concentration
|
(0.1 - 5.0) X 1018
|
ea/cm-3
|
|
Etch Pit Density
|
≦ 500
|
ea/cm-2
|
|
Front Side Surface
|
Epi ready Polished
|
|
|
Back Side Surface
|
Etch
|
|
|
Edge Profile
|
Round
|
|