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:
Oct. 30, 2012
Filed:
Dec. 28, 2005
Toshiyuki Osako, Chiba, JP;
Tetsufumi Komukai, Chiba, JP;
Toshiyuki Osako, Chiba, JP;
Tetsufumi Komukai, Chiba, JP;
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Abstract
A porous valve metal thin film, a method for the production thereof, and a thin film capacitor utilizing the thin film as an anode. The porous valve metal thin film has an integral continuous structure that includes the valve metal, an outside surface, and micropores connected to the outside surface. The thin film has a surface area that is at least double a surface area of the outside surface if the outside surface of the thin film were flat. The valve metal is niobium, tantalum, a niobium alloy or a tantalum alloy and has a particle diameter within a range of 10 nm to 1 μm. The micropores have pore diameters within a range of 10 nm to 1 μm.