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.

Date of Patent:
Feb. 25, 2014

Filed:

May. 31, 2006
Applicants:

Yujiro Mizusaki, Fukushima-ken, JP;

Isao Sugiyama, Fukushima-ken, JP;

Hitoshi Iijima, Tokyo, JP;

Osamu Kubota, Fukushima-ken, JP;

Inventors:

Yujiro Mizusaki, Fukushima-ken, JP;

Isao Sugiyama, Fukushima-ken, JP;

Hitoshi Iijima, Tokyo, JP;

Osamu Kubota, Fukushima-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 1/00 (2006.01); B22F 9/00 (2006.01); C21B 15/04 (2006.01); C22B 5/20 (2006.01); C22C 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a metal powder composed of tantalum or niobium that achieves both sinterability and fluidity and the manufacturing method thereof. The present invention also provides a tantalum or niobium powder that enables the manufacturing of an anode for a solid electrolytic capacitor in which holes are formed for a conductive polymer-containing solution to pass through, without using a hole molding material or pore forming material. Furthermore, the present invention provides an anode for a solid electrolytic capacitor that enables the manufacturing of a high-volume and low ESR solid electrolytic capacitor. The present invention further provides a manufacturing method of a metal powder that allows the manufacturing of a metal powder of a given diameter range from a raw powder at high yield, without requiring a lot of work and time.


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