Ge Crystal Customized

Element Symbol：Ge
CAS：7440-56-4
Model：Sup-Ge
Shape：Wafer, Disc or ingot
Thickness：[N/A]
Dimension：[N/A]
(Note: Purity, shape, thickness, and dimensions can all be customized)

Germanium (Ge) is a chemical element with the atomic number 32, classified as a metalloid. It is a silvery-white, hard semiconductor material known for its excellent electrical and optical properties. Germanium was widely used in the mid-20th century for manufacturing semiconductor devices, particularly in transistors, photodetectors, and fiber optics. Its compounds play a significant role in infrared optical applications. Due to its unique electrical and optical characteristics, germanium holds significant value in modern electronics, optoelectronics, and materials science.

Note: Purity, shape, thickness, and dimensions can all be customized,Please feel free to contact us for more details.

Main Property Parameters
Growth Method	Czochralski
Crystal System	Cubic
Crystal Lattice Constant	a=5.65754 Å
Density	5.323g/cm3
Melt Point	937.4℃
Doping Element	no	Sb	Ga
Type	/	N	P
Resistivity	＞35Ωcm	0.01~35 Ωcm	0.05~35 Ωcm
EPD	＜4×103∕cm2	＜4×103∕cm2	＜4×103∕cm2
Dimension(mm)	10x3，10x5，10x10，15x15，，20x15，20x20，
	Dia50.8 mm ,dia76.2mm, Dia100 mm
Thickness	0.5mm，1.0mm
Polishing	One side or two sides
Crystal Orientation	<100>、<110>、<111>、±0.5º
Crystal Plane Orientation Accuracy	±0.5°
Edge Orientation Accuracy	2°（special requirements <1°）
Bevel Wafer	According to specific requirements, wafers with edge-oriented crystal planes inclined at a specific angle (inclination angle 1°-45°) can be processed.
Surface Roughness	≤5Å（5µm×5µm）
Packaging	Clean bag (100), Super clean room (1000)