Moly Sputtering Target

Purity: The purity of molybdenum targets is a key indicator of their performance. Generally speaking, the purity of high-purity molybdenum targets can reach 99.95% or even higher. High purity ensures the minimization of impurities during the thin film deposition process, thereby improving the quality of the final product.
Density: Density close to the theoretical density of molybdenum (10.22 g/cm³) is a sign of high-quality molybdenum targets. Higher density indicates fewer voids and a tight structure in the material, which is crucial to improving the service life and stability of the target material.
Thermal conductivity: The thermal conductivity of molybdenum is about 138 W/m·K. High thermal conductivity is very important for temperature control of the target during high-speed coating, which helps prevent overheating and structural damage of the target.
Thermal expansion coefficient: Molybdenum has a low thermal expansion coefficient of about 4.8×10^-6 /°C. This property means that the molybdenum target has good dimensional stability under temperature changes, which helps to maintain the consistency and accuracy of the film deposition process.
Hardness and strength: Molybdenum has a Vickers hardness of about 2500 HV and has high mechanical strength. This allows the molybdenum target to withstand mechanical shock during high-speed coating.
Surface flatness and roughness: Surface flatness and roughness are also important parameters for evaluating the quality of molybdenum targets. Good surface treatment can reduce particle generation during the use of the target and improve the uniformity and quality of the deposited film.

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