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:
Mar. 04, 2003
Filed:
Jun. 15, 2001
Kazumi Naito, Chiba, JP;
Atsushi Shimojima, Tokyo, JP;
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Abstract
A capacitor having a large capacity per unit weight and good LC characteristics is provided, which includes two electrodes and a dielectric interposed between the two electrodes, and the dielectric has a two-layer structure including a first layer predominantly niobium oxide NbO (X=2.5) and a second layer predominantly having a mixture of niobium oxide NbO (X=2.5) and niobium oxide NbO (X=2.0). Preferably, both the first and second layers contain 90 weight % or more of NbO , and the molar ratio of NbO (X=2.5) to NbO (X=2.0) In the second layer is 1:4 to 4:1, and the proportion of the first layer in the two-layer structure is 0.01 to 10% by volume. One of the electrodes preferably includes partially nitrided niobium, and more preferably partially nitrided niobium prepared by partially nitriding a niobium sintered body.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile