
|
Property |
Specification/Value |
Notes |
|
Thermal Conductivity |
Up to ~200 W/m·K (in-plane for h-BN) |
Highly dependent on crystal orien tation and purity. |
|
Electrical Resistivity |
> 10^13 Ω·cm |
Excellent electrical insulation property. |
|
Dielectric Constant |
~4-6 (for h-BN) |
Low dielectric constant reduces parasitic capacitance. |
|
Coefficient of Thermal Expansion (CTE) |
~2.5 × 10^-6/K (for h-BN) |
Similar CTE to silicon, beneficial for semiconductor applications. |
|
Hardness |
Vickers hardness up to ~45 GPa (for c-BN) |
High hardness, especially cubic BN, second only to diamond. |
|
Melting Point |
~3000°C |
High melting point contributes to thermal stability. |
|
Chemical Stability |
Stable in many acids and bases at high temperatures |
Exceptional resistance to chemical attack. |
|
Optical Transparency |
Transparent from UV to IR |
Particularly useful for optical applications. |
|
Friction Coefficient |
As low as ~0.16 (for h-BN) |
Makes it suitable for lubrication in vacuum or inert environments. |
|
Band Gap |
~5.9 eV (for h-BN) |
Wide bandgap material suitable for high-power and high-frequency devices. |
|
Deposition Methods |
CVD, PVD, ALD, Sol-Gel |
Various methods available for different applications. |
|
Film Thickness |
Can be deposited from nanometers to micrometers |
Thickness depends on application requirements and deposition technique. |
Features of Boron Nitride Ceramic Film
High Thermal Conductivity: Boron nitride films have high thermal conductivity, making them superb for dissipating warmth in electronic gadgets.
Electrical Insulation: In spite of their thermal conductivity, the films are additionally electric insulators, which is crucial for semiconductor gadget manufacturing.
Chemical Stability: BN films reveal resistance to chemical reactions in heat, which contributes to their durability in extreme environments.
Mechanical Stamina: They have good mechanical strength and hardness, especially in the form of cubic boron nitride (c-BN), which is second only to diamond in hardness.
Optical Openness: Hexagonal boron nitride (h-BN), particularly, has optical openness in the ultraviolet to infrared range, which is useful for optical applications.
Low Dielectric Constant: This property is necessary for minimizing parasitical capacitance in high-frequency gadgets.
Applications of Boron Nitride Ceramic Film
Heat dissipation in electronic components: The high thermal conductivity and low dielectric constant of boron nitride ceramic films make them ideal heat dissipation materials for use in high-performance electronic devices.
Microelectronic Packaging: Due to its good mechanical strength and corrosion resistance, boron nitride ceramic film is used as a protective or isolation layer, playing a key role in microelectronic devices.
LED Lighting: Boron nitride ceramic films can effectively increase the heat dissipation efficiency of LED lights, extend the life of the lamps and improve the quality of light output.
Semiconductor manufacturing: In the semiconductor industry, it can be used as a diffusion barrier or etch mask to ensure precision and reliability in the production process.
Protective coatings for high-temperature environments: Boron nitride ceramic films are able to remain stable under extreme temperature conditions and are suitable for surface treatment of high-temperature components in aerospace and other fields.

Company Profile
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, ceramic products, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Boron Nitride Ceramic Film, please feel free to contact us or click on the needed products to send an inquiry.
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T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By air, by sea, by express, as customers request.

Packaging
FAQs of Boron Nitride Ceramic Plate
Q: What are the main properties of boron nitride ceramic films?
A: Boron nitride ceramic films exhibit excellent thermal conductivity, electrical insulation, chemical inertness and mechanical strength. In addition, they exhibit good flexibility and resistance to thermal shock.
Q: What industries are boron nitride ceramic films suitable for?
A: They are suitable for a wide range of fields, such as electronics, semiconductors, LED lighting, the automotive industry, medical devices, etc., especially where efficient heat dissipation solutions are required.
Q: How do I choose the right thickness of boron nitride ceramic film?
A: The choice depends on the needs of the specific application scenario. Thinner films typically offer better thermal conductivity, while thicker ones may be more durable and easier to process. It is recommended that you consult with your supplier based on your actual needs.
Q: Are boron nitride ceramic films easy to machine?
A: Boron nitride ceramic films are easier to cut, drill, and shape than other types of ceramic materials, but specialized tools and techniques are needed to avoid damage.
Q: What are the cost factors for boron nitride ceramic films?
A: Cost is primarily affected by material purity, film thickness, size, and processing complexity. Higher quality products tend to be more expensive, but they also deliver superior performance.