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:
Nov. 22, 2011
Filed:
Mar. 17, 2008
Chio Ishihara, Matsudo, JP;
Kazuo Asaka, Matsudo, JP;
Kohei Muramatsu, Matsudo, JP;
Tsuyoshi Akao, Kariya, JP;
Hirotake Hamamatsu, Kariya, JP;
Chio Ishihara, Matsudo, JP;
Kazuo Asaka, Matsudo, JP;
Kohei Muramatsu, Matsudo, JP;
Tsuyoshi Akao, Kariya, JP;
Hirotake Hamamatsu, Kariya, JP;
Hitachi Powdered Metals Co., Ltd., Matsudo, JP;
Denso Corporation, Kariya, JP;
Abstract
A method for producing a soft magnetic powdered core includes preparing a mixture of a soft magnetic powder and a resin powder, compacting the mixture into a predetermined shape so as to obtain a compact, and heating the compact. The resin powder has a median size of not more than 30 μm, a maximum particle size of not more than 100 μm, and a specific surface area of not less than 1.0 m/cm, and the additive amount thereof is 0.005 to 2 vol %.