Main application areas of tungsten targets
Material science
Tungsten targets can be used as experimental tools in material research to prepare new materials, study material properties and characterize material structures. For example, tungsten targets can be used to prepare thin film materials through thermal evaporation or ion beam deposition technology, and used for research on surface modification, nanomaterial preparation, etc.
Electronics
Tungsten targets have important applications in the field of electronics. Tungsten targets can be used as emission materials to manufacture equipment such as electron tubes, cathode ray tubes and electron microscopes. In addition, tungsten targets can also be used to manufacture optoelectronic devices such as field emission display tungsten filament lamps.
Energy field
In the energy field, tungsten targets are widely used in nuclear fusion experiments and nuclear reactor technology. Tungsten targets can be used as targets in plasma fusion reactors to withstand the impact from high-energy particle beams and produce the required fusion reactions. In addition, tungsten targets can also be used in liquid metal impact experiments in nuclear fuel cycles.
Other composition parameters of tungsten target
|
Specification grade Chemical index |
W/(W+Ti)≥99.99% |
W/(W+Ti)≥99.995% |
W≥99.999% |
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| Total trace impurities |
≯100 ppm |
≯50 ppm |
≯10 ppm |
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|
Impurity index(ppm) |
Max |
Typical value | Max | Typical value | Max | Typical value | ||||||
|
Radioactive elements |
U |
- |
0.2 |
0.1 |
0.05 |
0.0008 |
0.0005 |
|||||
|
Th |
- |
0.2 |
0.1 |
0.05 |
0.0008 |
0.0005 |
||||||
|
Alkali metal elements |
Li |
1 |
0.05 |
0.02 |
0.01 |
0.01 |
0.003 |
|||||
|
Na |
5 |
1 |
0.5 |
0.2 |
0.1 |
0.05 |
||||||
|
K |
5 |
1 |
0.1 |
0.05 |
0.05 |
0.03 |
||||||
|
Mo,Re |
10 |
5 |
10 |
5 |
1 |
0.5 |
||||||
|
Fe,Cr |
10 |
5 |
5 |
3 |
0.5 |
0.3 |
||||||
|
Ca,Si,Cu,Ni,Al,Zn,Sn,Mn,Co,Hg,V |
2 |
1 |
0.5 |
0.3 |
0.2 |
0.2 |
||||||
|
P,As,Se |
2 |
1 |
0.5 |
0.2 |
0.2 |
0.2 |
||||||
|
B,Pb,Sb,Be,Ba,Bi,Cd,Ge,Nb,Pt,Mg,Zr,Au,In,Ga,Ag |
1 |
0.5 |
0.5 |
0.1 |
0.1 |
0.1 |
||||||
| All other individual elements |
1 |
0.5 |
0.5 |
0.1 |
0.1 |
0.1 |
||||||
|
Gas analysis (≯,ppm) |
O |
C |
N |
H |
S |
|||||||
|
30 |
20 |
20 |
20 |
10 |
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Tungsten target product pictures
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