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US 6,606,236 B2Granted
Powder for capacitor, sintered body thereof, and capacitor using the same
AssigneeShowa Denko K.K.
InventorsKazumi Naito, Shuji Kozono
Life of this patent
Estimating the term…
Abstract
A capacitor having a large capacitance appearance ratio and a good moisture resistance value is provided. A sintered body is prepared using a powder for capacitor, having as the main component an earth-acid metal, preferably niobium, containing from 3 mass ppb to 1 mass ppm of phosphorus, and a capacitor is constituted from the sintered body as one part electrode, a dielectric material formed on the surface thereof, and another part electrode.
Claims15
A powder for capacitor, comprising as the main component an earth-acid metal containing from about 3 mass ppb to about 1 mass ppm of phosphorus.
Dependencies are inferred from the claim text.