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. 10, 2025
Filed:
Nov. 02, 2021
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 4/30 (2006.01); H01G 2/10 (2006.01); H01G 4/35 (2006.01); H10D 1/68 (2025.01);
U.S. Cl.
CPC ...
H01G 4/30 (2013.01); H01G 4/35 (2013.01); H10D 1/692 (2025.01); H01G 2/10 (2013.01);
Abstract
A capacitor that includes a substrate having a surface; a lower electrode opposing the surface of the substrate; a dielectric film on the lower electrode; an upper electrode on the dielectric film; a protective layer on the lower electrode, the dielectric film, and the upper electrode, the protective layer defining a through-hole exposing at least one of the lower electrode and the upper electrode; at least one protrusion in the through-hole; and an outer electrode covering the through-hole and the at least one protrusion.