Tungsten Boats For Evaporation

Tungsten boat is made of pure tungsten which made by tungsten sheet through high temperature stamping forming, stamping boat, folding boat and other types, widely used in the coating industry. Small boats are mostly used for vacuum coating, so they are also called evaporation boats or coating boats.

Tungsten boat is a product with a groove in the middle. It has high temperature resistance and corrosion resistance and is suitable for precious metal smelting. Large boats can be riveted or sintered and used in sintering furnaces.

This type of boat is generally stamped or folded from tungsten sheets. The principle of use is that after power is turned on or heated, the temperature of the boat reaches the level where the metal can evaporate, and then the evaporated metal is coated on the plated product.

High Melting Point: Tungsten has a melting point of 3410°C, so tungsten evaporation boats can work stably in extreme heat without warping or melting.

Low Vapor Pressure: At high temperatures, tungsten has very low vapor pressure. This means it hardly evaporates, preventing contamination of the coating material.

Good Thermal Conductivity: Tungsten boats have high thermal conductivity, allowing fast and even heating of the material for better evaporation efficiency.

Corrosion Resistance: Tungsten resists most acids, alkalis, and oxidizing environments, making it reliable in different chemical conditions.

High Mechanical Strength: Tungsten boats are strong and can withstand high-temperature deformation, which helps extend their service life.

Optical coating and electronics fabrication employs tungsten evaporation boats for the evaporation of metals which includes aluminum, silver, and gold. Consequently, this leads to the manufacture of advanced optical periphery components and sophisticated electronic devices.

Warden: These boats facilitate the finer details of semiconductor chip construction that include the thin film deposition processes such as chemical vapor deposition (CVD) and physical vapor deposition (PVD).

High temperature Metal treatment: Tungsten boats are used for the sintering of refractory metals and high-temperature annealing in powder metallurgy.

Lab & Research: They are actively engaged in the study of materials at elevated temperatures and in experiments related to thermal evaporation.

FAQ

Are you a factory or manufacturer?

A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.

What is the delivery method?

A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.

Why is your product so cost-effective?

A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.

Do you do spot quality inspection or full inspection?

A: 100% full inspection for sure. All unqualified products are discarded.

How do you ensure your lead time?

A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.

What is the MOQ of Tungsten Boats For Evaporation ?

A: Depends on quantity, generally, no MOQ limit.

How to pay for it?

A: A bank transfer (T/T) will be acceptable.

What is the delivery time?

A: around 7-20 days which depends on the quantity and production.

What is kind of the package?

A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo

What is the lead time?

A: from order placed to cargo receiving will take around 10-25 days.

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