Erbium Sputtering Target are available in 3 variations, each with the purity and uniform composition to ensure consistent and reliable performance. They’re made from erbium, which is a silvery-white rare earth metal that’s soft and malleable. It has unique magnetic and optical properties that make it useful for sputtering thin film coatings. These specialty discs can be used to deposit erbium-doped coatings for applications like optical filters, lasers, fiber amplifiers and thin-film batteries.