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. 16, 2019
Filed:
Mar. 31, 2016
Taiyo Yuden Co., Ltd., Taito-ku, Tokyo, JP;
Minoru Ryu, Takasaki, JP;
Shinsuke Takeoka, Takasaki, JP;
Yoko Orimo, Takasaki, JP;
Yoshiki Iwazaki, Takasaki, JP;
Kenji Otake, Takasaki, JP;
TAIYO YUDEN CO., LTD., Tokyo, JP;
Abstract
In an embodiment, a magnetic body includes soft magnetic alloy grainscontaining Fe, element L, and element M (where element L is Si or Zr and element M is a metal element other than Si or Zr that oxidizes more easily than Fe), as well as oxide film produced from oxidization of part of these grains; wherein at least some of the bonds between adjacent soft magnetic alloy grainsare by way of the oxide film; the oxide film has an inner film, and an outer filmpositioned on the outer side of the inner film; and the inner filmcontains more of element L than element M, while the outer filmcontains more of element M than element L.