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E Beam Crucibles Electron Gun Beam Crucible for Evaporation

Thin Film Deposition Parts

E Beam Crucibles Electron Gun Beam Crucible for Evaporation

Item Number : KES01

Price varies based on specs and customizations


Material
Tantalum / Molybdenum / Tungsten
Specification
4CC / 7CC /15CC / 25CC / 40CC
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Application

The electron gun produces a powerful beam of electrons that is directed at the crucible. The electrons heat the material in the crucible until it becomes atoms or molecular clusters. This cloud can then be deposited onto a surface to form a thin film.In electron gun beam evaporation, the crucible is like a vessel that holds and heats the material to be deposited. It is made of special material that can withstand high temperature without melting. They help focus the heat on the material that is evaporating.

It is mostly used for the following:

  • Thin film deposition: Widely used in thin film deposition technologies such as electron beam evaporation, thin film production of electronic devices, optical coating and surface modification of materials.
  • Semiconductor industry: deposition of thin metal films as interconnects, ohmic contacts and diffusion barriers.
  • Optics and Optoelectronics: Optical coatings, anti-reflection coatings and mirrors for various optical devices.

Detail & Parts

Electron Gun Beam Crucible;Molybdenum/Tungsten Crucible
Molybdenum/Tungsten Crucible
Boron nitride crucible
Boron nitride crucible
Graphite crucible
Graphite crucible
Ceramic Crucible
Ceramic Crucible

 

Technical specifications

product Molybdenum/Tungsten Crucible Boron Nitride Crucible/Conductive Boron Nitride Crucible Graphite Crucible/Coated Graphite Crucible Pyrolytic Graphite Coated Crucibles Nickel crucible Titanium crucible copper crucible Alumina crucible
Specification 4CC / 7CC / 15CC / 25CC / 40CC 4CC / 7CC / 15CC / 25CC / 40CC 4CC / 7CC / 15CC / 25CC / 40CC 4CC / 7CC 4CC 4CC 4CC / 2CC / 40CC 4CC

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

Advantage

  • Higher evaporation rate.
  • Improve heat stability; uniform heating.
  • Reduce the heat transferred to the crucible; good thermal insulation performance.
  • Enables fast material changeovers to minimize chamber downtime.
  • Vacuum compatibility; high purity membrane.
  • Versatility; supports multiple materials.
  • Minimizes crucible damage and maintenance.
  • These advantages make the electron gun beam crucible an important tool in the thin film deposition process, providing precise control, high deposition rate and high quality thin film for various industries and research fields.

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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 Thermal Evaporation And Electron Beam Evaporation.

E-beam evaporation has many advantages over thermal evaporation. It is capable of melting materials at very high temperatures, even tungsten, graphite...; easy to control the evaporation rate, combined with a quartz crystal sensor as a feedback signal for adjusting the electron beam current to evaporate more material without breaking the vacuum . E-beam evaporation is therefore used in the field of thin film processing, including semiconductors, optics, solar panels, glass and architectural glass, to impart their desired conductive, reflective, transmissive and electronic properties.

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.

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 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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Product Datasheet

E Beam Crucibles Electron Gun Beam Crucible for Evaporation

Category Catalog

Thin Film Deposition Parts


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