Pyrolytic Boron Nitride Boat
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Pyrolytic Boron Nitride Boat is a specialized ceramic component manufactured through high-temperature chemical vapor deposition. It features exceptional purity (typically >99.99%), outstanding thermal stability, and chemical inertness, capable of operating stably at high temperatures (up to over 1800°C in vacuum or inert atmospheres). NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality pyrolytic boron nitride products, focuses on producing high-precision pyrolytic boron nitride boats for diverse application fields.
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Pyrolytic Boron Nitride Boat Data Sheet
| Purity: | 99.99%-99.999% |
| Color: | White |
| Density: | 1.95-2.20 g/cm3 |
| Production Method: | CVD |
Pyrolytic Boron Nitride Boat Descriptions
The Pyrolytic Boron Nitride (PBN) Boat is a high-purity, anisotropic ceramic crucible manufactured via chemical vapor deposition, exhibiting exceptional thermal stability with a maximum operating temperature exceeding 1800°C in inert or vacuum environments, outstanding chemical inertness against most molten metals and semiconductors, excellent thermal shock resistance due to its unique layered structure, and very low outgassing rates, making it an indispensable container for critical high-temperature processes including molecular beam epitaxy (MBE), compound semiconductor crystal growth (such as GaAs and InP), and high-purity metal refining.
Pyrolytic Boron Nitride Boat Specifications
| Catalog No | Length | Height | Thickness |
| BOAT-1″ | 2″～15″ | 0.5″～1″ | 0.035″～0.08″ |
| BOAT-2″ | 6″～20″ | 1″ | 0.035″～0.08″ |
| BOAT-3″ | 6″～20″ | 1.5″ | 0.035″～0.08″ |
| BOAT-4″ | 6″～20″ | 2″ | 0.035″～0.08″ |
Pyrolytic Boron Nitride Boat Advantages
- Extreme Temperature Resistance: Stable up to >1800°C in vacuum/inert gases.
- High Purity & Chemical Inertness: Purity >99.99%, non-reactive with most melts.
- Excellent Thermal Shock Resistance: Withstands rapid heating and cooling cycles.
- Ultra-Low Outgassing: Essential for ultra-high vacuum (UHV) processes.
- Non-Wetting Surface: Prevents adhesion of molten materials.
- Anisotropic Thermal Conductivity: Good axial conduction, high radial insulation.
- Electrical Insulator: Maintains insulating properties at high temperatures.
Pyrolytic Boron Nitride Boat Applications
- Molecular Beam Epitaxy (MBE): Essential crucibles for evaporating high-purity source materials (e.g., Al, Ga, As) due to ultra-low outgassing and chemical stability in ultra-high vacuum.
- Compound Semiconductor Crystal Growth: Widely used as crucibles for growing and processing crystals like Gallium Arsenide (GaAs), Indium Phosphide (InP), and Gallium Nitride (GaN).
- High-Temperature Evaporation & Sublimation: Serving as boats or sources for the thermal evaporation of metals, oxides, and organic materials in thin-film deposition and purification.
- High-Purity Metal Refining & Processing: Employed for melting, zone refining, and casting of ultra-pure metals and alloys without contamination.
- Thermal Analysis: Used as sample holders in high-temperature thermal analysis instruments (e.g., TG-DTA) due to their inertness and stability.
- Chemical Vapor Deposition (CVD) & Crystal Growth: Acting as susceptors or substrates for CVD processes, particularly for wide-bandgap semiconductors.
- General High-Temperature Laboratories: Utilized as inert containers, supports, or liners for various high-temperature experiments and material synthesis.
Pyrolytic Boron Nitride Packaging
Pyrolytic Boron Nitride Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination, and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
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- SAFETY DATA SHEET (SDS) -Pyrolytic Boron Nitride Boat
FAQ
What is a Pyrolytic Boron Nitride Boat?
It is a high-purity ceramic container made by chemical vapor deposition, used for high-temperature processes like crystal growth and thin-film evaporation.
What are the maximum operating temperature and atmosphere for pyrolytic boron nitride boats?
PBN boats can operate up to 1800°C in vacuum or inert atmospheres (e.g., argon, nitrogen).
Why is the pyrolytic boron nitride boat suitable for semiconductor applications?
Due to its ultra-high purity (>99.99%) and low outgassing, it prevents contamination of sensitive materials like GaAs or InP.
Can the pyrolytic boron nitride boat be used for melting metals?
Yes, they are ideal for melting high-purity metals (e.g., aluminum, gallium) as PBN is non-wetting and chemically inert.
What precautions are needed when handling the pyrolytic boron nitride boat?
Avoid mechanical impact, sudden temperature changes in oxygen-rich environments, and contact with strong alkalis or molten salts.
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