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:
Jul. 15, 2025

Filed:

May. 10, 2023
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Kazuhito Higuchi, Yokohama, JP;

Kazuo Shimokawa, Yokohama, JP;

Susumu Obata, Yokohama, JP;

Mitsuo Sano, Kamakura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/228 (2006.01); H01G 4/012 (2006.01); H01G 4/30 (2006.01); H01G 4/33 (2006.01); H01G 4/38 (2006.01); H01L 23/522 (2006.01); H01G 4/005 (2006.01);
U.S. Cl.
CPC ...
H01G 4/228 (2013.01); H01G 4/012 (2013.01); H01G 4/30 (2013.01); H01G 4/33 (2013.01); H01G 4/385 (2013.01); H01L 23/5223 (2013.01); H01G 4/005 (2013.01);
Abstract

According to an embodiment, a capacitor includes a conductive substrate, a conductive layer, a dielectric layer therebetween, and first and second internal electrodes. The substrate has first and second main surfaces. One partial region of the first main surface is provided with first recesses. A region of the second surface corresponding to a combination of the one partial region and another partial region is provided with second recesses. The conductive layer covers the main surfaces and side walls and bottom surfaces of the recesses. The first internal electrode is provided on the one partial region and electrically connected to the conductive layer. The second internal electrode is provided on the another partial region and electrically connected to the substrate.


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