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Ge Optical Plates Indium Phosphide Wafer Excellent Semiconductor Material
  • Ge Optical Plates Indium Phosphide Wafer Excellent Semiconductor Material
  • Ge Optical Plates Indium Phosphide Wafer Excellent Semiconductor Material
  • Ge Optical Plates Indium Phosphide Wafer Excellent Semiconductor Material

Ge Optical Plates Indium Phosphide Wafer Excellent Semiconductor Material

Place of Origin CHINA
Brand Name zmkj
Model Number Ge-001
Product Details
Ge Single Crystal
Semiconductor Substrates,device,optical
60/40, 40/20 Or Bette
High Light: 

mgo substrate


gap wafer

Product Description

Germanium Single Crystals Wafers,Ge optical plates


Germanium substrates

Application: germanium wafer used in production of semiconductor device, infrared ray optical device, sinking material of solar cell.


Main Property Terms    
Production Method Czochralski method(CZ)  
Crystal Structure Cube  
Lattice Constant a=5.65754Å  
Density 5.323g/cm3  
Melting Point 937.4℃  
Doped material None doped or Sb doped Indium or Gallium Doped
Type /N P
Resistivity >35Ωcm0.05Ωcm 0.05~0.1Ωcm
EPD <4×103⁄cm2<4×103⁄cm2 <4×103⁄cm2
Size 10x3,10x5,10x10,15x15,,20x15,20x20,  
Thickness 0.5mm,1.0mm
Polishing Single face or double face
Orientation <100>,<110>,<111>,±0.5º
Crystal face Directional Accuracy ±0.5°
Edge Directional Accuracy 2°(Special request could be customized under 1°)
Bevel Shearing Directional Accuracy Customized by special request, process edge direction by special angle (inclination 1°-45°)of wafer
Ra: ≤5Å(5µm×5µm)
Package 100 Grade Cleaning Bag,1000Grade Super Cleaning Room


 Germanium wafer is an excellent semiconductor material and widely used in variety applications such as Sensor, Solar cell, Infrared optics applications, high brightness LEDs, and various semiconductor ,Optical applications.

Ge Optical glass lens

we offer standard and high precision optical glass windows in round ,rectangular, wedge windows and custom shape and size with different optical glasses,Fused Silica, Sapphire, ZnSe. The high precision parallelism of 10 arc seconds, surface quality of 10/5 and flatness of λ/20. Single layer or multi-layer anti-reflection coatings are available.



Materials Characteristics Comparison
Item B270 CaF2 Ge MgF2 N-BK7 Sapphire Si UV Fused Sillca ZnSe ZnS
Refractive index(nd) 1.523 1.434 1.003 1.413 1.517 1.768 3.422 1.458 2.403 2.631
Coeffcient of dispersion(Vd) 58.5 95.1 N/A 106.2 64.2 72.2 N/A 67.7 N/A N/A
Density(g/cm3) 2.55 3.18 5.33 3.18 2.46 3.97 2.33 2.20 5.27 5.27
TCE(μm/m℃) 8.2 18.85 6.1 13.7 7.1 5.3 2.55 0.55 7.1 7.6
Soften Temperature(℃) 533 800 936 1255 557 2000 1500 1000 250 1525
Knoop hardness(kg/mm2) 542 158.3 780 415 610 2200 1150 500 120 120
Optical windows finished products
Ge wafer for optical grade:
SL.No Material Specifications:  
1 Crystalline Form : Polycrystalline
2 Conductivity Type : n-type
3 Absorption Coefficient, at 25°C 0.035cm-1 max @10.6µm
4 Typical Resistivity : 3-40 ohm-cm
5 size dia1-150mmxthickness0.5-20mm
6 Mohs Hardness : 6.3
7 Oxygen Content : < 0.03 ppm
8 Holes and Inclusions: <0.05 mm
9 surface lapped/1sp/2sp
10 S/D 40/20,20/10,60/40,80/50,

Ge Optical Plates Indium Phosphide Wafer Excellent Semiconductor Material 0



Q: What's your MOQ?

A: (1) For inventory, the MOQ is 3pcs.

(2) For customized products, the MOQ is 25pcs up.


Q: What's the delivery time?

A: (1) For the standard products

For inventory: the delivery is 5 workdays after you place the order.

For customized products: the delivery is 2 or 3 weeks after you place the order.

(2) For the special-shaped products, the delivery is 4 workweeks after you place the order.


Q: how is the way of shipping and cost?

A:(1) We accept DHL, Fedex, EMS etc by 100% in advance before delivery.

(2) If you have your own express account, it's great.If not,we could help you ship them.

Freight is in accordance with the actual settlement.


Q: Can I customize the products based on my need?

A: Yes, we can customize the material, specifications  for your optical components

based on your needs.


Contact Us at Any Time

Rm5-616,No.851,Dianshanhu avenue, Qingpu area,Shanghai city,CHINA
Send your inquiry directly to us