Niobium suboxide powder
AssigneeH.C. Starck GmbH
InventorsOliver Thomas, Christoph Schnitter
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Abstract
A niobium suboxide powder comprising 100 to 600 ppm of magnesium is described. The niobium suboxide powder may (alternatively or in addition to 100 to 600 ppm of magnesium) further include 50 to 400 ppm of molybdenum and/or tungsten. The niobium suboxide powder is suitable for the production of: capacitors having an insulator layer of niobium pentoxide; capacitor anodes produced from the niobium suboxide powder; and corresponding capacitors.
Claims20
A niobium suboxide powder comprising 100 to 600 ppm of magnesium and a member selected from the group consisting of Fe, Cr, Ni, Cu, alkali metals, fluoride, chloride and combinations thereof.
A niobium suboxide powder comprising 50 to 400 ppm of a member selected from the group consisting of molybdenum, tungsten and combinations thereof.
A niobium suboxide powder comprising 100 to 600 ppm of magnesium, and 50 to 400 ppm of a member selected from the group consisting of molybdenum, tungsten and combinations thereof.
Dependencies are inferred from the claim text.