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. 02, 2024
Filed:
May. 13, 2022
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Shizuki Electric Co., Inc., Nishinomiya, JP;
Tomoki Inakura, Nagaokakyo, JP;
Tomomichi Ichikawa, Nagaokakyo, JP;
Atsushi Kawabata, Nishinomiya, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
SHIZUKI ELECTRIC CO., INC., Nishinomiya, JP;
Abstract
A film capacitor that includes a dielectric resin film containing a cured product of a first organic material and a second organic material; and a metal layer on at least one surface of the dielectric resin film. The first organic material contains an organic polymer having a hydroxy group and a benzene ring in a repeating unit; the second organic material contains 4,4′-diphenylmethane diisocyanate, a modified product of 4,4′-diphenylmethane diisocyanate, or a mixture thereof; and 400 ppm to 700 ppm of chlorine ions and 300 ppm to 500 ppm of phosphorus ions are present inside the dielectric resin film.