Pyrolytic Boron Nitride Crucible (VGF Type) Description
Pyrolytic Boron Nitride (PBN) is a type of advanced ceramic manufactured by 99.999% purity powder in high density. Pyrolytic Boron Nitride Crucible (VGF Type) is synthesized on the mold by CVD process, with BCl3 and NH3 at high temperature and low pressure.
Pyrolytic Boron Nitride Crucible (VGF Type) is a kind of crucible used in vertical gradient solidification (VGF). It is the main technology for GaAs and InP compound semiconductor single-crystal growth in the world.
Pyrolytic Boron Nitride Crucible (VGF Type) Specifications
PBN Mechanical Characteristics
|
Item
|
Data
|
Unit
|
|
Density
|
g/cm3
|
1.95-2.20
|
|
Tensile Strength
|
MPa
|
112
|
|
Bending Strength
|
MPa
|
173
|
|
Compression Strength
|
MPa
|
154
|
|
Young's Modulus
|
GPa
|
18
|
|
Thermal Conductivity
(under 1500℃)
|
W/m℃
|
"a" 60
"c" 2
|
|
Specific Heat
|
J/g·℃
|
0.90 (RT)
|
|
Resistivity
|
Ω.cm
|
2×1015
|
|
Dielectric Strength
|
D.C. volts/mm
|
2×1015
|
|
Dielectric Constant
|
-
|
"c" 3.07
|
|
Metal Impurity Content
|
ppm
|
<10
|
Typical Specifications of PBN LEC Crucible
|
Inside Diameter (ID)
|
Height
|
Thickness
|
|
2"
|
10"
|
0.035"
|
|
3"
|
10"
|
0.035"
|
|
4"
|
8"
|
0.035"
|
|
5"
|
8"
|
0.04"
|
|
6"
|
7"
|
0.04"
|
|
8"
|
20"
|
0.08"
|
Pyrolytic Boron Nitride Crucible (VGF Type) Applications
1. Semiconductor Industry: Used for the growth of high-purity crystals, such as gallium arsenide (GaAs) and silicon, due to their non-reactive nature and ability to withstand high temperatures.
2. Material Processing: Employed in the evaporation and deposition of metals and compounds, ensuring minimal contamination and high purity of processed materials.
3. Chemical Processing: Suitable for handling corrosive chemicals and molten materials, providing durability and longevity in harsh environments.
4. High-Temperature Furnaces: Utilized in high-temperature furnaces and reactors as containers for melting and processing materials, benefiting from their thermal stability.
5. Research and Development: Used in various R&D applications requiring high-purity and high-temperature conditions, including the development of new materials and processes.
6. Aerospace and Defense: Applied in the production of high-temperature components and coatings, leveraging their thermal and chemical resistance.
7. Optoelectronics: Employed in the fabrication of optoelectronic devices where contamination-free processing is critical.
Pyrolytic Boron Nitride Crucible (VGF Type) Packaging
Our Pyrolytic Boron Nitride Crucible (VGF Type) is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
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