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:
Apr. 14, 2015
Filed:
Mar. 28, 2005
Takeshi Sakamoto, Tokyo, JP;
Masami Mori, Tokyo, JP;
Yoshitomo Tanaka, Tokyo, JP;
Masashi Miwa, Tokyo, JP;
Takeshi Sakamoto, Tokyo, JP;
Masami Mori, Tokyo, JP;
Yoshitomo Tanaka, Tokyo, JP;
Masashi Miwa, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
The present invention aims to provide a rare earth magnet having sufficiently excellent anticorrosion property. The rare earth magnetaccording to the present invention to solve the above problems includes a magnet bodycontaining rare earth elements, a substantial amorphous layerformed on a surface of the magnet body, and a protecting layeron a surface of the amorphous layer, and the amorphous layercontains material identical to main component elements of magnet material contained in the magnet body