Description of Tungsten Targets
Tungsten targets are flat, disc-shaped objects made primarily of tungsten, which is a dense, hard metal with a very high melting point (about 3422 degrees Celsius). These targets are used in various industrial processes, particularly in the field of thin-film deposition and X-ray generation.
Applications of Tungsten Targets
Physical Vapor Deposition (PVD): Tungsten targets are commonly used in PVD processes such as sputtering and evaporation. In sputtering, the target is bombarded with high-energy ions, which knock atoms or molecules from the target and deposit them onto a substrate, forming a thin film. Tungsten's high melting point and hardness make it an ideal material for this process.
X-ray Tubes: In X-ray tubes, tungsten targets are used to generate X-rays. When high-speed electrons strike the target, they decelerate rapidly, causing the emission of X-rays. The high atomic number of tungsten enhances the X-ray production efficiency.
Electron Beam Welding: Tungsten targets can also be used in electron beam welding, where a focused beam of electrons melts the material at the weld joint.
Ion Implantation: In ion implantation, where ions are accelerated into a solid to change its properties, tungsten targets are used for their ability to withstand the high energy of the ions.
Properties of Tungsten Targets
1. High Melting Point: As mentioned, tungsten has the highest melting point of any element, which is crucial for withstanding the high temperatures generated during PVD processes and X-ray generation.
2. High Density: Tungsten has a high density, which can be beneficial in applications where mass and inertia are important factors.
3. Good Thermal Conductivity: Tungsten has good thermal conductivity, which helps in dissipating heat during use.
4. Wear Resistance: Tungsten's hardness contributes to its wear resistance, which is important for the longevity of the target.
Manufacturing of Tungsten Targets
- Powder Metallurgy: Tungsten powder is compacted and then sintered to form the target. This method is often used for creating complex shapes or for targets with high-purity requirements.
- Casting: Tungsten can be cast into the desired shape, although this method may introduce impurities and is limited by the ability to cast complex shapes.
- Machining: Solid tungsten blanks can be machined into the desired shape and size using specialized cutting tools that can handle the hardness of tungsten.
Specification of Tungsten Targets
|
Grade |
W1,W2 |
|
Purity |
≥95% |
|
Diameter |
0.5mm-30mm |
|
Thickness |
1-10mm |
|
Melting Point |
3410℃ |
|
Density |
18.75g/cm3 |
|
Surface |
Polished, finished turning, Ground |
|
Delivery Time |
25 days |
|
Standard |
ASTM, GB |
Specification of Tungsten Targets
FAQ for Tungsten Targets
Are you a Tungsten Targets factory or a Tungsten Targets manufacturer?
A: Yes, we are a Tungsten Targets 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 of Tungsten Targets?
A: Generally, we send Tungsten Targets by UPS, DHL or FedEx. Additionally, we can ship by sea to a seaport or by air to the nearest airport.
Why is your Tungsten Target 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 of Tungsten Targets or full inspection of Tungsten Targets?
A: 100% full inspection for sure. All unqualified Tungsten Targets are discarded.
How do you ensure your lead time for Tungsten Targets?
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 Targets?
A: Depends on the quantity of Tungsten Targets; generally, no MOQ limit.
How to pay for Tungsten Targets?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time of Tungsten Targets?
A: Around 7-20 days, which depends on the quantity and production of Tungsten Targets.
What kind of package of Tungsten Targets is it?
A: Generally, we use a carton case or a plywood case with protective material inside to ensure the safety of Tungsten Targets.
What is the lead time of Tungsten Targets?
A: From the order placed to cargo receiving will take around 10-25 days.
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