>> Product Description
VY is a worldwide supplier of single crystal Ge wafer ( Germanium wafer ) and single crystal Ge ingot , we have a strong advantage in providing Ge wafer to micro-electronics and opto-electronics industry in diameter range from 2 inch to 4 inch .
Ge wafer is an elemental and popular semiconductor material , due to its excellent crystallographic properties and unique electric properties , Ge wafer is widly used in Sensor , Solar cell and Infrared optics applications .
We can provide low dislocation and epi ready Ge wafers to meet your unique requirement. Ge wafer is produced as per semiconductor,with a good quality control system , VY Optics is dedicated to providing clean and high quality Ge wafer products .
VY Optics can offers both electronics grade and IR grade Ge wafer , please contact us for more Ge product information.
| Ge Wafer Applications |
IR optics
Solar cell
Optical fiber
Semiconductor and electronics device |
| Ge Wafer Properties |
| Crystal structure |
Cubic |
| Lattice parameter |
a=0.565754 |
| Density ( g / cm3 ) |
5.323 |
| Melting point ( °C ) |
937.4 |
| Thermal conductivity @300 K |
59.9 |
| Specification |
| Diameter |
Ø 2" / 3" / 4" |
| Thickness |
0.5 mm |
| Conductivity type |
P - type or N - type |
| Dopant available |
Antimony , Gallium , Undoped |
| Orientation |
<100> , <111> , <110> , or others |
| Off orientation |
From 2° to 10° off |
| Resistivity range |
N - type : <=0.4 ohm-cm
P - type : 0.005 ~ 30 ohm-cm
Undoped : >=30 ohm-cm |
| Surface finish |
One side or two sides polished |
| EPD |
<= 5000 or <= 10000 cm-2 |
| Package method |
Single wafer container with outer foil bag |
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Picture show of our tGe wafer
>> Company Introduction
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Related Products
VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested.
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FAQ
Q:
Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q:
Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
Q:
How to pay?
· T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q:
How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.
Fournisseur Audité 
