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:
Dec. 25, 2012
Filed:
Apr. 17, 2009
Yusuke Oishi, Nagoya, JP;
Eisuke Hoshina, Toyota, JP;
Toshiya Yamaguchi, Miyoshi, JP;
Kazuhiro Kawashima, Kasugai, JP;
Yusuke Oishi, Nagoya, JP;
Eisuke Hoshina, Toyota, JP;
Toshiya Yamaguchi, Miyoshi, JP;
Kazuhiro Kawashima, Kasugai, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Fine Sinter Co., Ltd, Aichi, JP;
Abstract
A powder for a dust core comprising a silicon-containing layer formed within a depth of less than 0.15 D from the surface of the surface layer of a soft magnetic metal powder having a particle diameter D and a method for producing the same are provided. The method for producing a powder for a dust corecomprising a silicon-containing layercomprises performing silicon impregnation of the surface of a soft magnetic metal powder (particle)containing a carbon element, wherein: