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:
Aug. 28, 1984

Filed:

Apr. 02, 1981
Applicant:
Inventors:

Shigeaki Shimizu, Tokyo, JP;

Yoshimi Kubo, Tokyo, JP;

Tetsuo Suzuki, Tokyo, JP;

Takashi Kizaki, Tokyo, JP;

Hitoshi Igarashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G / ; B22F / ;
U.S. Cl.
CPC ...
361433 ; 75249 ; 419 60 ;
Abstract

A porous body of Ti-Al alloy has a novel structure for a solid electrolytic capacitor, having improved values of leakage current and dielectric loss. The porous body of Ti-Al alloy has spherical particles which partially contact each other to form an integral body. The surfaces of the spherical particles have a ruggedness in the order of several microns or less. Because the diameter of the spherical particle is greater than the size of the ruggedness, the porous body has rough voids which provide a wide passageway through which a manganese nitrate solution penetrates. The wide passageway is effective for decreasing the number of times when there is a thermal decomposition of the manganese nitrate, thereby reducing the series resistance of the resultant cathode. In addition, this novel structure makes it possible to avoid production difficulties which are usually encountered when a solid electrolytic capacitor, having a high capacitance, is produced from a finely divided Ti-Al alloy.


Find Patent Forward Citations

Shimizu, Shigeaki. (1984). Porous body for a solid electrolytic capacitor and process for producing (U.S. Patent No. 4468719). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4468719

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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