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Niobium belongs to the group of refractory metals. Refractory metals are metals that have a higher melting point than platinum (1 772 °C). In refractory metals, the energy binding the individual atoms together is particularly high. Refractory metals have a high melting point coupled with a low vapor pressure, high modulus of elasticity and high thermal stability. Refractory metals are also characterized by a low coefficient of thermal expansion. Compared to other refractory metals, niobium has a relatively low density of only 8.6 g/cm3.
Niobium (Nb) sputtering target | |
Available Purity | 3N,3N5 |
Dimension | As per your request |
Available Shape | Planar, round |
Density | 8.58g/m³ |
Melting point | 2468℃ |
Boiling point | 4928℃ |
Technology | Vacuum Melting, Patented thermo-mechanical process and machine work |
Application | Semiconductors, Micro-Electronics etc. |
Certificate of Analysis | Available |
Chemical composition:
Designation | Chief component | Impurities maximum | |||||||||||
Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | ||
Nb1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.015 | 0.004 | 0.0015 | 0.002 | |
Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 | 0.01 |
Mechanical requirements (annealed condition):
Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ | |
RO4200-1 RO4210-2 | 18000 (125) | 12000 (85) | 25 |
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