Patent Number: 6,165,623

Title: Niobium powders and niobium electrolytic capacitors

Abstract: A flaked niobium powder is disclosed as well as electrolytic capacitors formed from the flaked niobium powders. Niobium powders having a BET surface area of at least about 0.50 m.sup.2 /g are also disclosed and capacitors made therefrom, as well as niobium powders doped with an oxygen content of at least 2,000 ppm. Methods to reduce DC leakage in a niobium anode are also disclosed.

Inventors: Fife; James A. (Reading, PA), Liu; Jane Jia (San Jose, CA), Steele; Roger W. (Neffs, PA)

Assignee: Cabot Corporation

International Classification: C22C 1/04 (20060101); B32B 015/00 (); C22C 001/00 (); C22C 027/02 (); H01G 009/04 ()

Expiration Date: 12/26/2017