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Germanium substrateWhat we provide:
Item
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Y/N
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Item
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Y/N
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Item
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Y/N
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Germanium crystal
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yes
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Electronic Grade
|
yes
|
N type
|
yes
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Germanium blank
|
yes
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Infrared Grade
|
yes
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P type
|
yes
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Germanium substrate
|
yes
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Cell Grade
|
yes
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Undoped
|
yes
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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:
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Thermal Expansion
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5.9 x 10-6 °C -1 @ 300K
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Melting Point
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937°C
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Thermal diffusivity
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0.36 cm2s-1
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Thermal conductivity
|
0.58 W cm-1 °C-1
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Specific heat
|
0.31 J g-1 °C-1
|
Mechanical properties:
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Young Modulus
|
10.3x1011 dyn cm-2 @ 300K
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Shear Modulus
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4.1x 1011 dyn cm-2
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Knoop Hardness
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780 kg mm-2
|
Poisson constant
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0.26
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Electrical properties:
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|
Di-electric constant
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16.2
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Resisitivity
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9.0 ohm cm
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Optical properties:
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Transmission
|
2 - 14μm fino a circa 45°
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Refractive Index
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4.025 @ 4μm
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4.005 @ 10μm
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