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:
Sep. 15, 2020
Filed:
Dec. 27, 2017
Applicant:
Sumida Corporation, Chuo-Ku, Tokyo, JP;
Inventors:
Akihiko Nakamura, Natori, JP;
Mitsugu Kawarai, Natori, JP;
Assignee:
SUMIDA CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/02 (2006.01); H01F 27/28 (2006.01); H01F 27/255 (2006.01); H01F 3/08 (2006.01); H01F 27/29 (2006.01);
U.S. Cl.
CPC ...
H01F 27/255 (2013.01); H01F 3/08 (2013.01); H01F 27/2823 (2013.01); H01F 27/292 (2013.01); H01F 41/0246 (2013.01);
Abstract
A magnetic element including: a core including magnetic powders of volume occupancy within the range of 60-volume % to 80-volume % with respect to the whole volume, including a binder resin of volume occupancy of 12-volume % or more with respect to the whole volume and further including vacancy of volume occupancy of 8-volume % or more with respect to the whole volume; and a coil which is formed by winding a conductive wire and concurrently, which is buried into the core.