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Magnesium Oxide Wafer MgO Crystal Substrate

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  • item no :

    MgO
  • moq :

    1
  • lead date :

    In Stock
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product details

Magnesium Oxide Wafer MgO Crystal Substrate


Magnesium oxide (MgO) substrate (single crystal) is widely used in  many film  technical fields. As for the production of magnetic film semiconductor film, optical film and the high-temperature superconducting films. It is currently an important industrial temperature superconducting thin films of single-crystal substrates.

Key Features:
MgO single crystal as the dielectric constant and loss microwave band is very small, and can obtain a large area substrate (diameter of 2 inches and larger), it is currently an important industrial HTS thin monocrystalline substrate world.
The main purpose:
For the production of magnetic thin film, a semiconductor film, optical film and the high-temperature superconducting thin film, can also be used for mobile communication equipment for making superconducting devices such as microwave filters.

 

The main performance parameters

Growth method
Arc melting
Crystal structure
Cubic
Lattice constant
a = 4.216 Å
Melting point (℃)
2800
Purity
99.99%
Density (g / cm 3)
3.58
Mohs Hardness
5.5
Coefficient of thermal expansion (/ ℃)
11.2x10 -6
Cleavage plane
<100>
Optical transmission
> 90% (200 ~ 400nm),> 98% (500 ~ 1000nm)
Permittivity
ε = 9.65
Thermal conductivity (cal / cm sec degree)
0.14 300 ° K
Other direction of substrate
We can customize specific orientation upon requirements
Package
Class-100 clean bag, class-1000 clean room

 

Standard Specification
Product Name Orientation Standard Size Thickness Polishing  
MgO substrate <100> ± 0.5°
<110> ± 0.5°
<111> ± 0.5°

Or other off-angle
10x10mm
10x5mm
5x5mm
25x25mm
15x15mm
φ1" x 0.5mm
φ2" x 0.5mm
Or others
0.1mm
0.2mm
0.5mm
1.0mm
2.0mm
Or others
Fine ground
Single side polished
Double side polished

Roughness: Ra<5A(0.5nm)
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