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Germanium substrate

What we provide:

Item
Y/N
Item
Y/N
Item
Y/N
Germanium crystal
yes
Electronic Grade
yes
N type
yes
Germanium blank
yes
Infrared Grade
yes
P type
yes
Germanium substrate
yes
Cell Grade
yes
Undoped
yes

Germanium Window substrate

Germanium (Ge) optical grade monocrystalline, N-type with (1:1:1) crystal orientation and resistivity of 5 to 40 ohm-cm.It is for infrared optics,night vision,laser,x-rays applications

Germanium substrate for Semiconductor and electronics device

For Electronic Grade(including cell grade), epi-ready polished is required, for more detail, please visit: Epi-ready Germanium Substrate

Properties of Germanium Substrate/window

Thermal properties:
Thermal  Expansion 
5.9 x 10-6 °C -1 @ 300K
Melting Point
937°C
Thermal diffusivity 
0.36 cm2s-1
Thermal conductivity
0.58 W cm-1 °C-1
Specific heat
0.31 J g-1 °C-1
Mechanical properties:
Young Modulus 
10.3x1011 dyn cm-2 @ 300K
Shear Modulus
4.1x 1011 dyn cm-2
Knoop Hardness 
780 kg mm-2
Poisson constant
0.26
Electrical properties:
Di-electric constant 
16.2
Resisitivity
9.0 ohm cm
Optical properties:
Transmission 
2 - 14μm fino a circa 45°
Refractive Index 
4.025 @ 4μm
4.005 @ 10μm

 

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