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:
Apr. 21, 2026
Filed:
Jun. 06, 2024
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Shunsuke Akiba, Nagaokakyo, JP;
Tomomichi Ichikawa, Nagaokakyo, JP;
Yumie Kawasaki, Nagaokakyo, JP;
Kazuto Yamazaki, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/32 (2006.01); H01G 4/18 (2006.01);
U.S. Cl.
CPC ...
H01G 4/32 (2013.01); H01G 4/18 (2013.01);
Abstract
A film capacitor that includes: a dielectric resin film having a first surface and a second surface opposite each other; a first metal layer on the first surface; and a second metal layer on the second surface, wherein in a mapping image of nitrogen atoms observed by energy dispersive X-ray spectroscopy in a section of the dielectric resin film along a thickness direction of the dielectric resin film, a ratio of an area of nitrogen atom aggregation regions to an entire observation area is 35% or less.