Composite Boron Nitride Ceramic Evaporation Boat for Metallizing

Evaporation boat is a general term for all evaporation vessels. It is made of different formula ingredients according to different uses. Boron nitride evaporation boat, as the name suggests, is an evaporation boat made of boron nitride composite materials. The raw materials involved include boron nitride, titanium diboride, zirconium oxide, aluminum nitride, silicon nitride and other metal compounds. Boron nitride evaporation boat is made of boron nitride and titanium diboride composite conductive ceramics. Because boron nitride has extremely high insulation and titanium diboride has extremely high conductivity, the resistivity of the product can be easily controlled according to the different ratios of the two materials. Therefore, boron nitride evaporation boat products can be used for capacitor metallization coating, display coating, hot stamping coating, textile aluminum coating, etc., but they are mainly used for evaporation of aluminum, copper, silver, gold, etc.

Product Features and Advantages

*Unique process formula, optimized composition structure, the material has excellent corrosion resistance, greatly improving service life.

*Adopting international advanced sintering technology, the material structure is delicate, high density, and has excellent physical properties.

*Stable chemical properties, no reaction with molten metal at high temperature, and improve alloy purity.

*Good oxidation resistance, 400-500 degrees Celsius higher than graphite material, long service life.

Typical Applications
*Conductive ceramic evaporation boat for vacuum aluminum plating

*Conductive ceramic crucible for high temperature electron beam evaporation

*Crucibles and components for optical coating equipment
    

 

 

 

1. How does a Boron Nitride Evaporation Boat work?
In a vacuum deposition process, the Boron Nitride Evaporation Boat holds the material to be evaporated, such as metal, in a high-temperature environment. When heated, the material vaporizes and condenses onto the substrate. The boat ensures that the material is heated uniformly and that the process occurs in a controlled, chemically inert environment.

2. Can Boron Nitride Evaporation Boats be used for all metals?
Yes, Boron Nitride Evaporation Boats are compatible with a wide range of metals, including gold, silver, aluminum, copper, and more. Their non-wetting properties prevent the metal from sticking to the boat, ensuring smoother deposition and reducing the need for frequent cleaning or replacement.

3. What temperature range can Boron Nitride Evaporation Boats withstand?
Boron Nitride Evaporation Boats can typically withstand temperatures up to 1000°C in air and up to 2000°C in a vacuum. However, it is important to check the manufacturer's specifications for the exact temperature limits for specific applications.

4. How long do Boron Nitride Evaporation Boats last?
The lifespan of a Boron Nitride Evaporation Boat depends on factors such as the type of material being evaporated, the temperature, and how frequently the boat is used. Under typical conditions, BN boats can last for many cycles, but they may degrade over time due to material buildup, thermal stress, or mechanical wear.

5. Can Boron Nitride Evaporation Boats be customized?
Yes, Boron Nitride Evaporation Boats can be manufactured in various sizes, shapes, and configurations to meet the specific needs of different deposition systems. Custom boats can be made to fit particular chamber sizes or to hold specific amounts of material for evaporation.

6. Are there any safety concerns when using Boron Nitride Evaporation Boats?
Boron Nitride is generally safe to use, but care should be taken when handling BN evaporation boats, as they can be fragile and may break under pressure. Ensure that the boat is securely placed in the deposition system and that appropriate ventilation is provided when using it at high temperatures.

7. How should I dispose of a Boron Nitride Evaporation Boat?
Boron Nitride Evaporation Boats are generally non-toxic and can be disposed of following standard industrial waste disposal protocols. However, it's always advisable to check with local regulations or consult the manufacturer for any specific disposal instructions, especially if the boat has been used with hazardous materials.

8. What are the applications of Boron Nitride Evaporation Boats?
Boron Nitride Evaporation Boats are commonly used in:

• Thin film deposition for electronics and semiconductor devices.
• Vacuum coating in industries such as optics, aerospace, and automotive.
• Material processing for applications that require high temperatures and clean, uniform coatings.

9. Can Boron Nitride Evaporation Boats be reused?
Yes, Boron Nitride Evaporation Boats can be reused multiple times as long as they are not damaged and are properly cleaned between uses. However, their performance may degrade over time, and they may need to be replaced after prolonged use or exposure to high temperatures.