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:
May. 29, 2012
Filed:
May. 31, 2006
Applicants:
Christoph Schnitter, Holle, DE;
Holger Brumm, Goslar, DE;
Christine Rawohl, Goslar, DE;
Colin Mccracken, Sinking Springs, PA (US);
Inventors:
Christoph Schnitter, Holle, DE;
Holger Brumm, Goslar, DE;
Christine Rawohl, Goslar, DE;
Colin McCracken, Sinking Springs, PA (US);
Assignee:
H. C. Starck GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a niobium suboxide powder for the manufacture of capacitors with higher break down voltages, higher temperatures of operation and elongated lifetimes. The powder is doped with nitrogen which is at least partly present in the form homogeneously distributed, x-ray detectable NbN-crystal domains. The niobium suboxide powder contains niobium suboxide particles having a bulk nitrogen content of between 500 to 20,000 ppm.