Germanium Wafer (Ge)
Germanium Wafer
As a rare metal, germanium has many unique properties. Like, Good chemical stability, strong corrosion-resistance, easy processing, high and uniform transmittance, high refractive index, high radiation resistance, high frequency, and good photoelectric performance.
The germanium substrates can always be used to manufacture semiconductor devices, infrared optics, and solar cell substrates.
Germanium Wafer Physical Properties
| Material | Germanium | ||
|---|---|---|---|
| Growth Method | CZ | ||
| Structure | M3 | ||
| Lattice (A) | a=5.65754 | ||
| Melting Point | 937.4℃ | ||
| Density(g/cm3) | 5.323 g/cm3 | ||
| Doped Material | undoped | Sb-doped | In/Ga-doped |
| Type | / | N | P |
| Resistivity | >35 Ωcm | 0.05 Ωcm | 0.05~0.1 Ωcm |
| Thermal-expans | <4 x103/cm2 | <4 x103/cm2 | <4 x103/cm2 |
Germanium Wafer Specifications
| Size | 10x3, 10x5, 10x10, 15x15, 20x 15, 20x 20,Dia 1'', Dia 2'', Dia 4", Dia 6" | ||
|---|---|---|---|
| Thickness | 0.33mm, 0.43mm 0.5mm, 1.0mm | ||
| Polished | SSP or DSP | ||
| Orientation | <100>,<110>, <111> | ||
| Redirection Precision | ±0.5° | ||
| Ra: | ≤5Å（5µm×5µm） | ||
Germanium Wafer Package
Packaged with class 100 clean bag or wafer container in a class 1000 clean room.
Related Products of Germanium Wafer
|
Magnetic Ferroelectricity Substrates |
Semiconductor Wafers |
|
|
GaN Thin Film Substrates |
Halide Substrates |
Ceramic Substrates |
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