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:
Aug. 16, 2011
Filed:
Mar. 29, 2005
Kazuhiro Hirose, Itami, JP;
Haruhisa Toyoda, Itami, JP;
Takao Nishioka, Itami, JP;
Naoto Igarashi, Itami, JP;
Toru Maeda, Itami, JP;
Yoshiyuki Shimada, Itami, JP;
Kazuhiro Hirose, Itami, JP;
Haruhisa Toyoda, Itami, JP;
Takao Nishioka, Itami, JP;
Naoto Igarashi, Itami, JP;
Toru Maeda, Itami, JP;
Yoshiyuki Shimada, Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Abstract
A soft magnetic material includes: a plurality of composite magnetic particles formed from a metal magnetic particle and an insulative coating surrounding a surface of the metal magnetic particle and containing metallic salt phosphate and/or oxide; and a lubricant formed as fine particles added at a proportion of at least 0.001 percent by mass and no more than 0.1 percent by mass relative to the plurality of composite magnetic particles. With this structure, superior lubrication is provided during compacting and desired magnetic characteristics can be obtained after compacting.