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. 21, 2020
Filed:
May. 05, 2016
Ihi Corporation, Tokyo, JP;
Haruki Eguchi, Tokyo, JP;
Isao Nakanowatari, Tokyo, JP;
Natsuki Yoneyama, Tokyo, JP;
Hidekazu Tomono, Tokyo, JP;
Hiroo Takahashi, Tokyo, JP;
IHI CORPORATION, Tokyo, JP;
Abstract
A magnetic property of a rare earth permanent magnet containing neodymium, iron, and boron is enhanced. The present disclosure is a rare earth permanent magnet with a compound represented by a following expression as a main phase: NdFeBM. In the expression, M represents an element selected from any one of cobalt, beryllium, lithium, aluminum, and silicon and x satisfies 0.01≤x≤0.25. The main phase has an Nd—Fe—B layer and an Fe layer periodically and part of boron is substituted with any one or more types of elements selected from a group consisting of cobalt, beryllium, lithium, aluminum, and silicon.