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:
Mar. 24, 2015
Filed:
Aug. 24, 2011
Maki Yonetsu, Tokyo, JP;
Tomohiro Suetsuna, Kanagawa, JP;
Kouichi Harada, Tokyo, JP;
Seiichi Suenaga, Kanagawa, JP;
Yasuyuki Hotta, Tokyo, JP;
Toshihide Takahashi, Kanagawa, JP;
Tomoko Eguchi, Tokyo, JP;
Mutsuki Yamazaki, Kanagawa, JP;
Maki Yonetsu, Tokyo, JP;
Tomohiro Suetsuna, Kanagawa, JP;
Kouichi Harada, Tokyo, JP;
Seiichi Suenaga, Kanagawa, JP;
Yasuyuki Hotta, Tokyo, JP;
Toshihide Takahashi, Kanagawa, JP;
Tomoko Eguchi, Tokyo, JP;
Mutsuki Yamazaki, Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A metal-containing particle aggregate of an embodiment of the present invention includes a plurality of core-shell particles. Each of the core-shell particles includes: a core portion that contains at least one magnetic metal element selected from the first group consisting of Fe, Co, and Ni, and at least one metal element selected from the second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare-earth elements, Ba, and Sr; and a shell layer that includes a carbon-containing material layer and an oxide layer that covers at least part of the core portion and includes at least one metal element that belongs to the second group and is contained in the core portion.