Products Lab Consumables & Materials Thin Film Deposition Parts High Purity Pure Graphite Crucible for Electron Beam Evaporation
High Purity Pure Graphite Crucible for Electron Beam Evaporation

Thin Film Deposition Parts

High Purity Pure Graphite Crucible for Electron Beam Evaporation

Item Number : KMS02

Price varies based on specs and customizations


Material
Graphite
Specification
Ф35-65*17-30mm
cover
optional
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Applications

Electron beam evaporation graphite crucible is a technology that uses electron beams to create flexible and rough graphite films. Its key parameters include carbon source supply, electron beam irradiation energy, applied voltage, evaporation temperature, and evaporation time. The applied voltage modulates the adhesion between the graphite layer and the bottom layer of the crucible. To ensure a flat graphite layer, the flow rate and particle size of the carbon source feed should be controlled to achieve uniform deposition and evaporation.

In the field of power electronics, electron beam evaporation graphite crucible technology is widely used. It involves depositing a carbon source material using an electron beam to form a thin film of graphite. The graphite crucible manufactured by this process has low resistance, low corona and high yield strength. It is widely used in heat dissipation, withstand voltage manufacturing and testing of electronic equipment.

Detail & Parts

Electron beam evaporation graphite crucible details

Electron beam evaporation graphite crucible details 2

Electron beam evaporation graphite crucible details

Waterproof graphite crucible with lid detail 1
Waterproof graphite crucible with lid 
Waterproof graphite crucible with lid detail 2
Waterproof graphite crucible with lid
Waterproof graphite crucible with lid detail 3
Waterproof graphite crucible with lid
Waterproof graphite crucible with lid detail 4
Waterproof graphite crucible with lid

Technical specifications

Graphite Crucible Dimensions 35*17mm 35*22mm 40*20mm 42.5*19.5mm 45*22.5mm 50*25mm 65*30mm

The crucibles we show are available in different sizes and custom sizes are available on request.

Advantage

  • Preparation accuracy: Electron beam evaporation technology can precisely control the deposition process, resulting in high-precision and consistent graphite crucibles.
  • Thermal shock resistance: Graphite films formed by electron beam evaporation have excellent thermal shock resistance and are suitable for applications with rapid temperature changes.
  • Wear resistance: Electron beam evaporated graphite crucible has good wear resistance, making it durable and able to withstand harsh conditions.
  • Chemical Resistance: These crucibles are resistant to acids, alkalis and chemical contamination, ensuring their reliability and longevity in chemically aggressive environments.
  • Flexibility and roughness: The graphite film formed by this technique has a certain degree of flexibility and roughness, making it effective for various applications.

In conclusion, e-beam evaporated graphite crucibles have precise preparation, thermal shock resistance, abrasion resistance, chemical resistance, flexibility and roughness. They are widely used in power electronics, molecular binding testing, laser technology, batteries, high voltage capacitors and medical device applications.

FAQ

What Are Thermal Evaporation Sources?

Thermal evaporation sources are devices used in thermal evaporation systems to deposit thin films onto substrates. They work by heating a material (evaporant) to high temperatures, causing it to evaporate and then condense onto a substrate, forming a thin film.

Comparison Of Electron Beam Evaporation Graphite Crucible Technology And Traditional Technology.

Although the electron beam evaporation graphite crucible technology is more costly than traditional hot pressing, it has higher precision and is more suitable for the manufacture of complex graphite crucibles. Compared with conventional carbon source evaporation, electron beam evaporation achieves uniform carbon source distribution and smooth carbon surface, improving material performance and reliability. The technology offers a simpler, more energy-efficient method for device fabrication in fields such as power electronics, and significantly improves device reliability.

How Are High-purity Graphite Crucibles Made?

High-purity graphite crucibles are typically manufactured through a process called isostatic pressing. In this method, graphite powder is placed in a rubber mold, and then subjected to high pressure from all directions. This pressure compacts the graphite particles into a dense and uniform crucible shape. The crucible is then heated to a high temperature to remove any impurities and improve its purity.

What Are The Main Types Of Thermal Evaporation Sources?

The main types of thermal evaporation sources include resistive evaporation sources, electron-beam evaporation sources, and flash evaporation sources. Each type uses different methods to heat the evaporant, such as resistive heating, electron beam heating, or direct contact with a hot surface.

What Are The Common Applications Of High-purity Graphite Crucibles?

High-purity graphite crucibles have a wide range of applications in industries such as metallurgy, foundries, and laboratories. They are commonly used for melting and casting non-ferrous metals, including aluminum, copper, and precious metals. High-purity graphite crucibles are also utilized in the production of alloys and high-temperature ceramics. They are essential in processes such as chemical analysis, spectroscopy, and sample preparation in laboratories. Additionally, these crucibles find applications in the semiconductor industry for the melting and growing of silicon and other semiconductor materials.

How Do Thermal Evaporation Sources Work?

Thermal evaporation sources work by passing electrical current through a resistive material, which heats up to high temperatures. This heat is transferred to the evaporant, causing it to melt and vaporize. The vapor then travels through a vacuum chamber and condenses onto a substrate, forming a thin film.

What Are The Common Materials Used For Evaporating Crucibles?

Evaporating crucibles are commonly made from materials such as tungsten, tantalum, molybdenum, graphite, or ceramic compounds. These materials have high melting points and good thermal conductivity, making them suitable for the high-temperature conditions required during evaporation. The choice of crucible material depends on factors such as the evaporant material, desired film properties, and process parameters.

What Factors Should Be Considered When Selecting High-purity Graphite Crucibles?

When selecting high-purity graphite crucibles, several factors should be considered. Firstly, the size and capacity of the crucible should align with the intended application and the amount of material to be melted or processed. The crucible's thermal conductivity, thermal shock resistance, and chemical compatibility should be evaluated to ensure they meet the specific process requirements. It is important to select crucibles made from high-quality graphite material with high purity levels to minimize contamination and ensure excellent performance. The crucible's design and construction should also be considered, such as the presence of handles or pouring spouts for easy handling. Additionally, it is advisable to consult with manufacturers or experts in the field to ensure the selection of the most suitable high-purity graphite crucibles for specific applications.

What Are The Advantages Of Using Thermal Evaporation Sources?

The advantages of thermal evaporation sources include high deposition rates, good directionality, excellent uniformity, and compatibility with various materials. They are also relatively simple and affordable, making them suitable for a wide range of applications in thin film deposition.

What Are The Advantages Of Using Evaporating Crucibles?

Evaporating crucibles offer several advantages in thin film deposition processes. They provide a controlled environment for the evaporation of materials, allowing for precise control over film thickness and uniformity. Crucibles can withstand high temperatures and provide efficient heat transfer, ensuring consistent evaporation rates. They are available in various sizes and shapes to accommodate different evaporation systems and substrate configurations. Evaporating crucibles also allow for the deposition of a wide range of materials, including metals, semiconductors, and ceramics. They can be easily loaded and unloaded, facilitating quick material changes or process adjustments. Overall, evaporating crucibles are essential tools in thin film deposition techniques, offering versatility, reliability, and reproducibility.

What Applications Are Thermal Evaporation Sources Used For?

Thermal evaporation sources are used in various applications such as the production of optical coatings, semiconductor devices, and various types of thin films. They are particularly useful in industries that require precise control over the deposition of materials onto substrates.

How Should Evaporating Crucibles Be Handled And Maintained?

Evaporating crucibles should be handled and maintained with care to ensure their longevity and performance. Crucibles should be cleaned thoroughly before each use to remove any residual material from previous depositions. Avoid using abrasive materials that could damage the crucible's surface. During loading and unloading, handle crucibles with clean gloves or specialized tools to prevent contamination. When not in use, store crucibles in a dry and clean environment to avoid corrosion or degradation. Regular inspection of crucibles for cracks, defects, or signs of wear is important to prevent unexpected failures during the evaporation process. Follow the manufacturer's recommendations for any specific maintenance procedures, such as annealing or surface treatment, to prolong the crucible's lifespan.
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4.8

out of

5

Speedy shipping and well-packaged. The crucible is of remarkable quality.

Wendell Craine

4.7

out of

5

Excellent value for the price. Highly recommend this crucible for lab use.

Zaynah McGee

4.9

out of

5

Impeccable quality and construction. Meets all our lab requirements.

Lucian Macias

4.6

out of

5

Durable and long-lasting. Withstands high temperatures and rigorous use.

Akeem Dyer

4.8

out of

5

Cutting-edge technology. The crucible's performance is outstanding.

Ayanna Christensen

4.7

out of

5

Highly recommend. The crucible's features are impressive.

Joelle Mccall

4.9

out of

5

Meticulously crafted. The crucible is a testament to precision engineering.

Mikel Joseph

4.6

out of

5

Sturdy and resilient. Withstands demanding lab conditions effortlessly.

Abdul Hooper

4.8

out of

5

State-of-the-art technology. The crucible's capabilities are remarkable.

Aniya Durham

4.7

out of

5

Great value for money. The crucible's performance exceeds expectations.

Leonel Henderson

4.9

out of

5

Unparalleled quality. The crucible is a game-changer in our lab.

Mireille Mckinney

4.6

out of

5

Durable and reliable. The crucible withstands rigorous use remarkably.

Aric Mcmahon

4.8

out of

5

Cutting-edge technology. The crucible's capabilities are astounding.

Amina Hampton

4.7

out of

5

Excellent value for the price. The crucible's performance is impressive.

Janiya Haney

4.9

out of

5

Meticulously crafted. The crucible's precision is remarkable.

Dominique Matthews

4.6

out of

5

Sturdy and resilient. Withstands demanding lab conditions effortlessly.

Davion Mcintyre

4.8

out of

5

State-of-the-art technology. The crucible's capabilities are remarkable.

Ayanna Christensen

4.7

out of

5

Great value for money. The crucible's performance exceeds expectations.

Joelle Mccall

PDF - High Purity Pure Graphite Crucible for Electron Beam Evaporation

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Catalog of Thin Film Deposition Parts

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Catalog of Evaporation Crucible

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Catalog of High Purity Graphite Crucible

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Catalog of Thermal Evaporation Sources

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