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Compound Wafer
Ge (Germanium)
Pluto can provide a variety of germanium products such as germanium tetrachloride, germanium dioxide, reduced germanium, zone germanium ingot, solar germanium, and infrared germanium. As an important rare metal, germanium is widely applied in fields of aerospace, semiconductor, optical fiber communication, infrared optics, solar cells, biomedicine and others.
Germanium can also act as the doping agent for quartz-based optical fibers. Germanium tetrachloride can increase the refractive index of the fiber core, reduce the optical loss and thus increase the transmission distance of the optical fiber. It is mainly used in the field of optical fiber communication.
 
 
 

Product Detail
Germanium has good light transmittance within the infrared wave band and opacity in the visible spectrum. It is the most common material for making infrared optical lenses, lens blanks, and infrared optical windows within the wave band range of 2-14μm.
Physical Properties
Density, 298K, (g/cm3)  5.33
Crystal Structure  Monocrystalline/Polycrystalline
Resistivity  0.0001Ω·cm - 75Ω·cm
Optical Transmittance, 10.6 μm ≥45.0%
Wavelength Refractive Index
10 (20°C) 4.00462
 
Ge Wafer Specification
Type/Dopant  N-Type/Si P-Type/Zn
Dopant As, Sb Ga
Growth Method CZ
Diameter 2", 3", 4", 6"
Orientation (100)±0.5°
Thickness (µm) 175-500um±25um
OF/IF US EJ
Resistivity (ohm-cm) 0.005-30 0.005-0.4
Etch Pitch Density (/cm2) <300 <300
TTV [P/P] (µm) <15
TTV [P/E] (µm) <25
Warp (µm) <25
Surface Finished P/P, P/E, E/E

Ge Substrate WafersMonocrystalline Ge wafer is important semiconductor substrate materials.It's mainly used for substrate ma-terials to Concentrator Photovoltaic power station(CPV),Space soliar cell paneis and ultra-high bnightnessLED.We provide Low EPD or Zero EPD Ge substrate which diameter includes 2,3',4"and 6'.Cus-tor-made Ge substrate is available upon request.
Sub 1: PlutoChip Co., Ltd    -Discrete Devices and Integrated Circuits-    www.plutochip.com
Sub 2: PlutoSilica Co., Ltd   -Silicon Wafer and Glass Wafer Manufactory-
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