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:
Jun. 07, 2022
Filed:
Sep. 08, 2020
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Takeshi Furukawa, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Abstract
A solid electrolytic capacitor that includes: a capacitor element having a valve action metal base with a core portion, a first porous portion and a second porous portion, a first dielectric layer on the first porous portion, a first solid electrolyte layer on the first dielectric layer, a first conductor layer on the first solid electrolyte layer, a second dielectric layer on the second porous portion, and a second solid electrolyte layer on the second dielectric layer, the first dielectric layer and the first solid electrolyte layer constituting a first capacitance portion, and the second dielectric layer and the second solid electrolyte layer constituting a second capacitance portion; a cathode through electrode electrically connecting the first capacitance portion to a cathode external electrode; and a connection portion connecting the second capacitance portion to the first capacitance portion.