Title:
COATED METAL POWDER, DUST CORE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2011/126120
Kind Code:
A1
Abstract:
A coated metal powder which comprises a metal powder containing iron as the main component and an insulating layer comprising calcium phosphate and a metal oxide, said insulating layer being formed on the surface of said metal powder, wherein the insulating layer contains an organosilicon compound either on the surface or in the inside thereof.
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Inventors:
SHIMOYAMA Takehiro (48, Wadai, Tsukuba-sh, Ibaraki 47, 〒3004247, JP)
下山 雄大 (〒47 茨城県つくば市和台４８ 日立化成工業株式会社内 Ibaraki, 〒3004247, JP)
下山 雄大 (〒47 茨城県つくば市和台４８ 日立化成工業株式会社内 Ibaraki, 〒3004247, JP)
Application Number:
JP2011/058937
Publication Date:
October 13, 2011
Filing Date:
April 08, 2011
Export Citation:
Assignee:
HITACHI CHEMICAL COMPANY, LTD. (1-1 Nishi-Shinjuku 2-chome, Shinjuku-ku Tokyo, 49, 〒1630449, JP)
日立化成工業株式会社 (〒49 東京都新宿区西新宿二丁目１番１号 Tokyo, 〒1630449, JP)
SHIMOYAMA Takehiro (48, Wadai, Tsukuba-sh, Ibaraki 47, 〒3004247, JP)
日立化成工業株式会社 (〒49 東京都新宿区西新宿二丁目１番１号 Tokyo, 〒1630449, JP)
SHIMOYAMA Takehiro (48, Wadai, Tsukuba-sh, Ibaraki 47, 〒3004247, JP)
International Classes:
B22F1/02; B22F1/00; B22F3/00; H01F1/24; H01F1/33; H01F3/08; H01F27/255; H01F41/02
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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Claims: