Description:

1. Material and Manufacturing: Tungsten boats are typically fabricated from high-purity tungsten sheet or foil. The tungsten metal is processed through precision machining or forming techniques to create boat-like structures with defined shapes and dimensions.

2. Application: Tungsten boats find application in various industries and research fields. Some common uses include:

   • Evaporation: Tungsten boats are often employed in vacuum evaporation processes. The boat is loaded with a material (such as metals or compounds) that needs to be heated to a high temperature in a vacuum chamber. As the material vaporizes, it deposits onto a substrate, forming thin films or coatings.

   • Sample Preparation: Tungsten boats are used in laboratories for sample preparation and analysis. They can hold samples during high-temperature treatments, such as thermal decomposition or annealing.

   • Electron Microscopy: Tungsten boats can be used as specimen holders in electron microscopy techniques. They provide a stable platform to mount samples for observation and analysis under high-resolution electron microscopes.

   • Heating Elements: Tungsten boats can also serve as heating elements in certain applications. They can be electrically heated to generate high temperatures in specialized equipment, such as furnaces or high-temperature chambers.

3. Features and Characteristics: Tungsten boats possess several key features:

   • High Melting Point: Tungsten has an exceptionally high melting point, allowing tungsten boats to withstand extreme temperatures encountered during evaporation or heating processes.

   • Good Thermal Conductivity: Tungsten boats exhibit excellent thermal conductivity, ensuring efficient heat transfer from the boat to the material being evaporated or heated.

   • Chemical Inertness: Tungsten is relatively inert, providing good resistance to chemical reactions and corrosion. This attribute allows tungsten boats to be used with various materials without contamination or degradation.

   • Mechanical Stability: Tungsten boats offer mechanical stability and can retain their shape and structural integrity under high temperatures and vacuum conditions.

Specifications: