Pyrolytic Boron Nitride Heater
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Pyrolytic Boron Nitride Heater is a high-performance heating element manufactured through Chemical Vapor Deposition (CVD). It is characterized by its exceptional purity, high thermal stability up to 1800°C in inert or vacuum environments, and excellent resistance to thermal shock. Its anisotropic thermal conductivity allows for efficient and uniform heat distribution in demanding applications. PBN heaters are non-contaminating and non-wetting to molten materials, making them an ideal and reliable choice for semiconductor processing (such as molecular beam epitaxy), crystal growth, and high-purity metal melting. NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality pyrolytic boron nitride products, focuses on producing high-precision pyrolytic boron nitride heater for diverse applications.
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Pyrolytic Boron Nitride Heater Data Sheet
| Material: | PBN-PG-PBN |
| Purity: | 99.99%-99.999% |
| Diameter: | 0.5-5 inch |
| Density: | 1.95-2.20 g/cm3 |
| Production Method: | CVD |
Pyrolytic Boron Nitride Heater Descriptions
A Pyrolytic Boron Nitride (PBN) Heater is an advanced high-temperature heating element fabricated through the precise Chemical Vapor Deposition (CVD) of boron nitride, resulting in a component of exceptional purity and structural integrity. It operates reliably under extreme conditions, offering outstanding thermal stability in inert or high-vacuum atmospheres at temperatures up to 1800°C, coupled with remarkable resistance to rapid thermal cycling and shock due to its unique anisotropic thermal properties. The heater provides uniform and efficient heat distribution while maintaining excellent electrical insulation at elevated temperatures. Its non-reactive, non-wetting surface prevents contamination and adhesion to sensitive materials such as molten semiconductors, gallium arsenide, or silicon, making it an indispensable and superior choice for critical applications including molecular beam epitaxy (MBE), metalorganic vapor phase epitaxy (MOVPE), single crystal growth, and ultra-high purity melting processes where performance consistency and material purity are paramount.
Pyrolytic Boron Nitride Heater Specifications
| Diameter: | 0.5 -5 inch |
| Power output: | 150-3000W |
| Max operating temperature: | PBN: 1700 ℃, PG: 1600 ℃ |
Pyrolytic Boron Nitride Heater Advantages
- Exceptional High-Temperature Stability: Capable of continuous operation up to 1800°C in inert or high-vacuum environments.
- Outstanding Thermal Shock Resistance: Maintains structural integrity under extreme and rapid temperature cycling.
- Ultra-High Purity and Low Outgassing: Prevents contamination of sensitive processes and is ideal for ultra-high vacuum applications.
- Anisotropic Thermal Conductivity: Allows for designed heat flow and uniform temperature distribution across the heating surface.
- Excellent Electrical Insulation: Provides reliable electrical insulation even at maximum operating temperatures.
- Chemical Inertness and Non-Wettability: Resists reaction with and does not wet to most molten metals and semiconductor materials.
- Mechanical Strength at High Temperatures: Retains good mechanical properties and dimensional stability under thermal load.
Pyrolytic Boron Nitride Heater Applications
- Semiconductor Thin Film Deposition: Crucial heating elements in Molecular Beam Epitaxy (MBE) and Metalorganic Vapor Phase Epitaxy (MOVPE) systems for growing high-purity semiconductor layers.
- Single Crystal Growth: Used in Czochralski and Bridgman furnaces for pulling high-quality single crystals of compound semiconductors (e.g., GaAs, InP) and oxides.
- High-Purity Metal Melting & Processing: Employed for melting, sintering, or purifying ultra-high-purity metals and alloys without contamination, such as gallium, aluminum, and specialty alloys.
- High-Temperature Vacuum Furnaces: Serves as a key heating component in research and industrial furnaces requiring clean, high-temperature environments up to 1800°C.
- Analytical Instrumentation: Used as heaters in specialized equipment like mass spectrometers, thermal analysis instruments, and sample preparation stages that demand a contaminant-free heat source.
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 Heater
FAQ
What is a Pyrolytic Boron Nitride (PBN) Heater?
A PBN Heater is a high-purity, high-performance heating element manufactured via Chemical Vapor Deposition, specifically designed for extreme high-temperature and vacuum environments.
What is the maximum operating temperature of a Pyrolytic Boron Nitride Heater?
In vacuum or inert atmospheres, it can operate stably up to 1800°C continuously, and withstand even higher temperatures for short periods.
What are the advantages of the Pyrolytic Boron Nitride Heater over the traditional graphite or metal heater?
Advantages include: ultra-high purity (prevents contamination), superior thermal shock resistance, non-wetting to molten materials, and maintained electrical insulation at high temperatures.
What is the typical service life of a Pyrolytic Boron Nitride Heater?
Service life depends heavily on operating conditions. With proper use within specified temperature, atmosphere, and avoidance of thermal/mechanical shock, it typically lasts for thousands of hours.
Can the Pyrolytic Boron Nitride Heater be used in oxidizing atmospheres?
No. PBN will gradually oxidize in high-temperature oxidizing atmospheres (e.g., air). It is only recommended for use in vacuum, inert, or reducing protective atmospheres.
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