Patent ID: 6835225
Filing Date: 2004-12-28
Classification: C22C,H01G

Abstract:
A niobium sintered body prepared by sintering a niobium powder, wherein a product (CV) of a capacitance (C: &mgr;F/g) per unit mass and a forming voltage (V: volt(V)) is 90,000 &mgr;FÂ·V/g or more, and a value obtained by dividing a product of a mean particle diameter (D50: &mgr;m) of a primary particle of the niobium powder and a leakage current (LC: &mgr;A/g) by the CV value is 5Ã—10âˆ’4 &mgr;mÂ·&mgr;A/(&mgr;FÂ·V) or less.