The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2002
Filed:
Mar. 23, 2000
Applicant:
Inventors:
Jonathon L. Kimmel, Audubon, PA (US);
Ricky W. Kitchell, Douglassville, PA (US);
James A. Fife, Myrtle Beach, SC (US);
Assignee:
Cabot Corporation, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/04 ;
U.S. Cl.
CPC ...
H01G 9/04 ;
Abstract
The present invention relates to capacitor anodes containing a niobium oxide having an atomic ratio of niobium to oxygen of 1:less than 2.5 and being formed at a formation voltage of about 6 volts or higher. The present invention further relates to a niobium oxide having an atomic ratio of niobium to oxygen of 1:less than 2.5, and having a nitrogen content of from about 31,000 ppm N to about 130,000 ppm N . Capacitors containing the various types of niobium oxide are further described.