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The niobium target is made from high-purity niobium metal (purity > 99.95%). Niobium is a silver-gray, rare, soft, and ductile transition metal with a high melting point (2468°C), excellent corrosion resistance (resistance to strong acid/alkali corrosion at room temperature < 0.01 mm/year), and good conductivity.

The niobium targets achieve a purity level exceeding 99.95%, characterized by a refined grain size and a fully recrystallized microstructure. The material exhibits excellent triaxial consistency, which, as a cathode sputtering target, facilitates the formation of a highly uniform oxide film. This inert protective layer remains non-reactive with atmospheric elements, ensuring long-term surface stability.

Excellent Properties of Niobium Target

• High density, low resistance, fine grain size

• High hole mobility in films, high optical transmittance, excellent interface matching

• Low non-metallic impurities (C, N, O)

Wide Applications of Niobium Target

1. Semiconductor Manufacturing

   Niobium target plays a key role in chip manufacturing—through magnetron sputtering, it can deposit a niobium thin film as thin as 200 nm on a silicon wafer. This ultra-thin coating effectively enhances the conductivity and corrosion resistance of integrated circuits, making it one of the core materials for 5G chips and memory devices.

2. Optical Device Manufacturing

   When niobium target meets optical coating technology, it creates remarkable chemical reactions:

   Camera lens coatings: increase light transmittance to 99.7%;

   AR glasses coatings: enable selective light transmission;

   Laser mirrors: withstand high temperatures up to 1800°C.

   These properties make niobium target indispensable in applications ranging from smartphone cameras to telescopes.

3. Decorative Coatings

   Niobium target is highly favored in decorative coatings due to its unique color adjustability and excellent performance. Through anodizing or magnetron sputtering, niobium coatings can display a range of colors, including blue, purple, and gold, while offering corrosion resistance, high hardness, and biocompatibility. It is widely used in the decorative coatings of high-end watches, jewelry, electronic products, and medical beauty devices.