Tungsten Sputtering Targets
Tungsten(W) has excellent strength and hardness, and can maintain these properties even at extremely high temperatures, which is very rare in metals. In addition, tungsten also has good corrosion resistance, will not oxidize in the air, and can resist most acid and alkali corrosion even at high temperatures. Therefore, tungsten targets have broad application prospects in many fields, such as flat panel displays, solar cells, integrated circuits, automotive glass, microelectronics, memory, X-ray tubes, medical equipment, melting equipment, and other products.
Physical parameters | |||||||||
Shape | Planar and rotary targets with any shape | ||||||||
Purity | 3N5 | Relative density | >99% | ||||||
Surface roughness(um) | Ra<1.6 | Grain size(um) | <100 | ||||||
Chemical Composition, % | |||||||||
W | K | C | N | H | Fe | Mo | Ni | Si | Al |
≥99.95 | 0.0002 | 0.002 | 0.0003 | 0.0004 | 0.002 | 0.004 | 0.0002 | 0.0003 | 0.002 |
S | Cu | O | P | Zn | Cr | Mg | Zr | Na | Ti |
0.0005 | 0.0003 | 0.004 | 0.0003 | 0.0004 | 0.0002 | 0.0005 | 0.0004 | 0.0008 | 0.001 |
The important details of tungsten targets
Microstructure of a W target from Advanced Targets
Popular Usage
Tungsten targets can be used to manufacture filament and high-speed cutting alloy steel, superhard mold, also used in optical instruments, chemical instruments. And they also be used in aerospace, rare earth smelting, electric light source, chemical equipment, medical devices, metallurgical machinery, smelting equipment, petroleum, etc.
In medical imaging, tungsten targets are commonly used to produce X-rays and γ radiation. It is used for diagnosing and treating various diseases. Due to their high melting point, high density, and good thermal conductivity, tungsten targets can remain stable under strong electron beam bombardment and are not easily melted or damaged, making them the preferred material in fields such as medical imaging and material analysis.
In the manufacturing of electronic devices, tungsten targets can be used to manufacture electronic tubes, transistors, integrated circuits, and so on. Due to the high purity and density of tungsten targets, they can ensure the performance stability and reliability of electronic devices.
In vacuum coating, tungsten targets can be used as evaporation sources for manufacturing various thin film materials. Due to the high hardness and high temperature resistance of tungsten targets, the stability and reliability of thin film materials can be guaranteed.
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