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US 2003/0117766 A1Published application
Niobium powder for capacitor, sintered body using the powder and capacitor using the same
AssigneeShowa Denko K.K.
InventorsKazumi Naito, Kazuhiro Omori
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Abstract
An object of the present invention is to provide a niobium sintered body free of reduction in the CV value, a niobium powder for use in the manufacture of the niobium sintered body, and a capacitor using the niobium sintered body. A niobium powder of the present invention has niobium and tantalum, where the tantalum is present in an amount at most of about 700 ppm by mass. A sintered body and a capacitor each is manufactured using the niobium powder.
Claims13
A niobium powder comprising niobium and tantalum, wherein the tantalum is present in an amount of at most about 700 ppm by mass.
Dependencies are inferred from the claim text.